Coldsnap

{S}: Thermopod gains haste until end of turn. ({S} can be paid with one mana from a snow source.) Sacrifice a creature: Add {R}.

Flying, first strike Whenever Kjeldoran Gargoyle deals damage, you gain that much life.

Flying, vigilance {T}: When target creature other than Adarkar Valkyrie dies this turn, return that card to the battlefield under your control.

Flying, indestructible

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

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

{2}, Reveal X red cards from your hand, Sacrifice Martyr of Ashes: Martyr of Ashes deals X damage to each creature without flying.

Each creature that's a Barbarian, a Warrior, or a Berserker gets +2/+2 and has haste.

Trample, haste Lightning Serpent enters the battlefield with X +1/+0 counters on it. At the beginning of the end step, sacrifice Lightning Serpent.

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

You may exile two red cards from your hand rather than pay this spell's mana cost. Untap all creatures that attacked this turn. After this main pha...

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

Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep.

You may exile two black cards from your hand rather than pay this spell's mana cost. Soul Spike deals 4 damage to any target and you gain 4 life.

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...

Flying Cumulative upkeep—Gain control of a land you don't control. (At the beginning of your upkeep, put an age counter on this permanent, then sac...

You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else. As long as Haakon is on the battlefield, you may play Knigh...

Sacrifice Garza's Assassin: Destroy target nonblack creature. Recover—Pay half your life, rounded up. (When another creature is put into your grave...

Other Soldier creatures get +1/+1 and have first strike. (They deal combat damage before creatures without first strike.)

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

Draw two cards, then sacrifice a permanent.

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...

{2}, {T}: Return target permanent to its owner's hand. Activate this ability only if you control four or more snow permanents.

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same converted mana co...