Coldsnap

{2}, Reveal X blue cards from your hand, Sacrifice this creature: Counter target spell unless its controller pays {X}.

{1}, Reveal X white cards from your hand, Sacrifice this creature: You gain three times X life.

{1}, Reveal X green cards from your hand, Sacrifice this creature: Target creature gets +X/+X until end of turn.

{T}, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {C}. {4}{S}, {T}, Sacrifice this land: It deals 4 damage to target creature. ({S} can be paid with one mana from a snow source.)

Destroy target artifact or enchantment. Draw a card at the beginning of the next turn's upkeep.

Whenever this creature deals combat damage to a creature, destroy that creature at end of combat. Whenever this creature deals combat damage to a p...

{2}{S}: Target snow creature gains first strike until end of turn. ({S} can be paid with one mana from a snow source.)

{T}, Sacrifice a creature: This creature deals 1 damage to any target.

Trample While you're searching your library, you may cast this card from your library.

Draw two cards, then sacrifice a permanent.

Flying; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Cumulative upkeep {B} (At the beginning of your ...

Cumulative upkeep {B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for ...

This creature doesn't untap during your untap step. {1}{S}: Untap this creature. ({S} can be paid with one mana from a snow source.)

This creature attacks each combat if able. {1}{S}: This creature gets +1/+0 until end of turn. ({S} can be paid with one mana from a snow source.)

Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay it...

Target creature gets +3/+3 until end of turn. Recover {1}{G} (When a creature is put into your graveyard from the battlefield, you may pay {1}{G}. ...

Enchant creature Enchanted creature gets +2/+1 and has "{S}: This creature can't be blocked this turn except by snow creatures." ({S} can be paid w...

{S}: Regenerate this creature. ({S} can be paid with one mana from a snow source.)

Flying Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield. {1}{S}: Put an ice counter on targ...

Trample Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Aurochs. {2}{S}: Target creature blocks target cre...

Flying {2}{S}: Tap target creature and put an ice counter on it. ({S} can be paid with one mana from a snow source.) Creatures with ice counters on...

{1}, {T}: You may tap or untap target permanent. Activate only if you control four or more snow permanents.

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.