Coldsnap

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.

{1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.)

Protection from snow Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay...

This creature can't attack unless defending player controls a snow land. When you control no snow lands, sacrifice this creature.

Sacrifice this creature: Destroy target enchantment.

Counter target spell unless its controller pays {2} plus an additional {2} for each card named Rune Snag in each graveyard.

{T}: Add {C}. {1}{S}, {T}: Look at the top card of your library. If that card is snow, you may reveal it and put it into your hand. ({S} can be pai...

Enchant creature When this Aura enters, put six +1/+1 counters on enchanted creature. At the beginning of your upkeep, put a +1/+1 counter on encha...

Whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.

Trample Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this perm...

Discard a land card: This creature gets +1/+1 until end of turn.

Skred deals damage to target creature equal to the number of snow permanents you control.

({T}: Add {G}.)