Coldsnap

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

Flying, haste Whenever a creature dealt damage by Garza Zol, Plague Queen this turn dies, put a +1/+1 counter on Garza Zol. Whenever Garza Zol deal...

{X}{X}{1}: Destroy target artifact or creature with mana value X.

{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 {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...

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.

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.

Whenever a noncreature source you control deals damage, you gain that much life.