At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.: Withering Wisps deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.
Whenever an opponent casts a green spell, you may pay . If you do, look at that player's hand and choose a card from it. The player discards that card.: Return Leshrac's Sigil to its owner's hand.
Enchant creatureEnchanted creature can't be blocked by white creatures.Enchanted creature gets +2/+2 as long as an opponent controls a white permanent.
At the beginning of your upkeep, put a time counter on Infinite Hourglass.All creatures get +1/+0 for each time counter on Infinite Hourglass.: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.
Whenever Goblin Snowman blocks, prevent all combat damage that would be dealt to and dealt by it this turn.: Goblin Snowman deals 1 damage to target creature it's blocking.
TrampleGoblin Mutant can't attack if defending player controls an untapped creature with power 3 or greater.Goblin Mutant can't block creatures with power 3 or greater.
Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.
Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)
, Sacrifice Gangrenous Zombies: Gangrenous Zombies deals 1 damage to each creature and each player. If you control a snow Swamp, Gangrenous Zombies deals 2 damage to each creature and each player instead.
