All water terrain features become clear terrain features instead. Only shutdown 'Mech units roll for heat effects when losing heat. At the beginning of each player's clean-up stage, that player rolls one six-sided die. If the result is 5 or 6, all 'Mechs lose 1 heat in addition to any other heat lost during the clean-up stage.
Ice Field cancels the Storm and Swamp planetary conditions. It is canceled by the Desert Wasteland planetary condition.
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Remove all water terrain features from the battlefield. 'Mech units do not lose heat during their controllers' clean-up stages.
Desert Wasteland cancels the Ice Field planetary condition. Desert Wasteland is canceled by the Storm and Swamp planetary conditions.
All units must be deployed at NOE level. No unit may move to cruising level or be at cruising level when an order resolves. No unit may make a charge or death from above special attack. Units with a maximum range value greater than 8 have a maximum range value of 8 instead. The line of fire to all artillery markers is blocked.
Dust Storm cancels the Swamp planetary condition. Dust Storm is canceled by the Storm planetary condition.
All units without speed mode hover or VTOL that have a speed value greater than 8 have a speed value of 8 instead. Reduce the blast radius of all artillery markers by 1" to a minimum of 1".
Swamp cancels the Desert Wasteland planetary condition. Swamp is canceled by the Ice Field planetary condition.
All non-blocking terrain features become shallow water terrain features instead. All units at cruising level with a speed value greater than 10 have a speed value of 10 instead.
Storm cancels the Mountain Range planetary condition. Storm is canceled by the Ice Field planetary condition.
Remove all terrain features from the battlefield.
Barrens is cancelled by the Storm and Tornado planetary conditions.
All non-blocking terrain features become blocking terrain features.
Mountain Range is cancelled by the Storm planetary condition.
Cancel one other planetary condition and remove this Perfect Day from the battlefield.
At the beginning of each player's clean-up stage, that player rolls one six-sided die. On a result of 5 or 6, each player must deal 1 pushing damage to one of his or her units.
All blocking terrain features become hindering terrain features instead.
All non-blocking terrain features become blocking terrain features instead. Units at cruising level do not ignore terrain features for movement purposes and may not have their bases overlap any blocking terrain feature at any time. Lines of fire drawn to or from a unit at cruising level do not ignore blocking terrain.
Urban cancels the Beach and Mountain Range planetary conditions, and it is canceled by the Jungle planetary condition.
All non-shallow water terrain features become shallow water terrain features instead. When a 'Mech without Jump Jets is given a move or assault order, roll one six-sided die. On a result of 6, the unit cannot be moved, though units with the Mech speed mode may be rotated to a new facing. If the unit was given an assault order, it may still make a ranged or close combat attack, if possible.
Beach is canceled by the Jungle and Urban planetary conditions.
All artillery units get +2 to the target values of their artillery markers. Targets of a special attack, and targets of a ranged combat attack from an attacker that is more than 8" away, get +1 to their defense values.
Heavy Fog is canceled by the Dust Storm planetary condition.
At the end of his or her clean-up stage, the active player rolls one six-sided die. On a result of 6, each player chooses a single friendly unit occupying clear terrain and deals 1 pushing damage to it. If a player has no units occupying clear terrain, he or she must choose a single friendly unit and deal 1 pushing damage to it.
Minefield is canceled by the Mountain Range planetary condition.
No unit may be at cruising level when an order resolves. At the beginning of his or her command stage, the active player rolls one six-sided die. On a result of 6, units with Salvage and infantry without "battle armor" in their names are dealt 1 pushing damage.
Caustic Atmosphere is canceled by the Dust Storm planetary condition.
At the beginning of his or her command stage, the active player rolls one six-sided die. On a result of 6, each player chooses a single friendly unit with zero or one order token and gives it an order token. If the unit is a 'Mech that would receive a second order token, that unit gains 1 heat instead.
Any 'Mech given an assault order subtracts 1 from the total heat gained from resolving that order. At the beginning of his or her command stage, the active player rolls one six-sided die. On a result of 6, vehicles may not be given move orders that turn, and infantry without "battle armor" in their names are dealt 1 pushing damage.
Sub-Zero Temperatures cancels the Ice Field planetary condition, and it is canceled by the Desert Wasteland planetary condition.
All non-hindering terrain features become hindering terrain features instead. Units at NOE level that are the target of a ranged combat attack originating from cruising level get +2 to their defense values. Changing between NOE and cruising level requires 4" of movement instead of 2".
Jungle cancels the Ice Field and Mountain Range planetary conditions, and it is canceled by the Desert Wasteland and Storm planetary conditions.
At the beginning of the active player's command stage, that player may make a ranged combat attack against any opposing unit. This attack always has a clear line of fire, has an attack value of 7, has the ballistic symbol range type, and scores 1 damage if it succeeds. This attack does not count toward the active player's order total for the turn.
Sniper's Steppe is canceled by the Grasslands and Urban planetary conditions.
All infantry with unmodified defense values of 19 or less get +1 to their defense values.
Grasslands is canceled by the Jungle and Urban planetary conditions.
Any unit targeted by a ranged combat attack from an opposing unit more than 8? away from it gets +1 to its defense value unless the attacker has Improved Targeting.
Able units with the wheeled symbol or tracked symbol speed mode and speed values of 5 or greater get +4 to their speed values, to a maximum of 14.
Salt Flats cancels the Monsoon planetary condition.
Units with the hover speed mode and speed values greater than 8 have speed values of 8 instead. 'Mechs cannot use the run option.
Crags cancels the Swamp planetary condition.
Units with the wheeled speed symbol or tracked speed symbol speed mode and speed values greater than 6 have speed values of 6 instead. During the active player's clean-up stage, any 'Mech that player controls that was not given an order that turn loses 2 heat instead of 1 heat.
Monsoon is canceled by the Dust Storm and Salt Flats planetary conditions.
At the beginning of his or her command stage, the active player rolls one six-sided die. On a result of 5 or 6, all units ignore the following special equipment: Decoy, Improved Targeting, Improved Tracking, and all special equipment with "ECM" or "electronic" in the name.
All 'Mechs get +1 to their vent ratings. Units with the Hover or VTOL speed mode and speed values greater than 10 have speed values of 10 instead.
Polar Gale is cancelled by the Ice Field and Subzero Temperatures planetary conditions.
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When using ranged combat formations, primary attackers get +1 to their attack values for each other member, instead of +2. Special equipment with "electronic" or "probe" in the name is ignored.
Sensor Echoes cancels the Barrens planetary condition.
'Mechs get –2 to their attack values when targeting non-'Mech units at NOE level. All non-'Mech units get –1 to their attack values when targeting non-'Mech units at NOE level.
Underbrush cancels the Heavy Fog planetary condition. It is canceled by the Grasslands planetary condition.
Units with a defense value greater than 23 have a defense value of 23 instead.
Corrosive Atmosphere cancels the Heavy Fog planetary condition. It is canceled by the Urban planetary condition.
All units ignore Decoy and all special equipment with "ECM", "ECCM", and "electronic" in the name.
All water terrain features become clear terrain features instead. Only shutdown 'Mech units roll for heat effects when losing heat. At the beginning of each player's clean-up stage, that player rolls one six-sided die. If the result is 5 or 6, all 'Mechs lose 1 heat in addition to any other heat lost during the clean-up stage.
Ice Field cancels the Storm and Swamp planetary conditions. It is canceled by the Desert Wasteland planetary condition.
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All non-blocking terrain features becomes blocking terrain features instead. All units must be deployed at NOE level. No unit may be moved to cruising level. No artillery or indirect-fire ranged combat attacks can be made. All units ignore Jump Jets and Jump Pack special equipment.
Caverns cancels the Jungle, Sniper's Steppe, Storm, Swamp, and Tornado planetary conditions. It is canceled by the Barrens, Craters, Earthquake, and Urban planetary conditions.
All non-blocking terrain features becomes blocking terrain features. All units ignore blocking terrain for line of fire purposes.
Craters cancels the Mountain Range, Tornado, and Urban planetary conditions. It is canceled by the Barrens, Jungle, and Storm planetary conditions.
Cancel one other planetary condition and remove this Perfect Day from the battlefield.
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When making an attack roll as part of resolving a close or ranged combat attack, if both dice of the same color result in a 1 or 2, the attack is a critical miss.
Horrible Day is not canceled by the Perfect Day planetary condition.
All units ignore the Advanced Anti-Missile System, Coolant Flush, and Point Defense special equipment, as well as any special equipment or gear with "repair" in the name.
Attacks using the energy range type range type score 1 less damage. Targets of indirect-fire ranged combat attacks get +4 to their defense values instead of +3.
Ionized Atmosphere is canceled by the Lightning Storm and Storm planetary conditions.
Units get an action token after being unloaded from transports, and cannot be given an action on the turn they are unloaded. Infantry with the foot speed mode get +1 to their defense values against ranged combat attacks.
Rocky Terrain is canceled by the Urban planetary condition.
A unit targeted by an attack using the ballistic range type gets +1 to its defense value for the attack.
Whenever a ranged combat attack is made using the energy range type, roll a six-sided die. On a result of 1, the attacker takes 1 impact damage after the attack resolves. On a result of 6, the target takes 1 impact damage after the attack resolves.
Lightning Storm cancels the Heavy Fog and Ionized Atmosphere planetary conditions, and is canceled by the Caverns planetary condition.
Starting on the second turn of the game, roll a six-sided die at the beginning of each player’s command stage. On a result of 5 or 6, each of the active player's infantry without "battle armor" in the name takes 1 pushing damage, and each of that player's 'Mechs gains 1 heat.
Sunside cancels the Beach, Grasslands, Heavy Fog, Ice Field, Jungle, Monsoon, Storm, and Underbrush planetary conditions, and is canceled by the Caverns, Nightfall, Polar Gale, Subzero Temperatures, and Swamp planetary conditions.
Vehicles with the wheel speed mode and speed values greater than 0 get –2 to their speed values, to a minimum of 0. Units with the Quad 'Mech speed mode gain 1 heat when pushed, in addition to any other heat generated by the order.
Scorching Sands cancels the Grasslands, Salt Flats, Swamp, Underbrush, and Urban planetary conditions, and is canceled by the Caverns, Ice Fields, Jungle, Monsoon, Polar Gale, Storm, and Subzero Temperatures planetary conditions.
The entire battlefield is hindering. Remove any water terrain features from the battlefield.
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