Coldsnap

Flying {1}{S}: Target creature loses flying until end of turn. ({S} can be paid with one mana from a snow source.)

Woolly Razorback enters the battlefield with three ice counters on it. As long as Woolly Razorback has an ice counter on it, prevent all combat dam...

Protection from black {W}: White Shield Crusader gains flying until end of turn. {W}{W}: White Shield Crusader gets +1/+0 until end of turn.

Defender, flying Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice...

Ursine Fylgja enters the battlefield with four healing counters on it. Remove a healing counter from Ursine Fylgja: Prevent the next 1 damage that ...

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

First strike Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this ...

Flying {W}, {T}: Tap target creature.

Sacrifice Ronom Unicorn: Destroy target enchantment.

{1}, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.

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...

Phyrexian Snowcrusher attacks each combat if able. {1}{S}: Phyrexian Snowcrusher gets +1/+0 until end of turn. ({S} can be paid with one mana from ...

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

Flying Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefie...

Trample Wilderness Elemental's power is equal to the number of nonbasic lands your opponents control.

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

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

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature and a +1/+1 counter on Juniper Order Ranger.

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...

Flying {1}{S}: Snow creatures you control get +1/+1 until end of turn. ({S} can be paid with one mana from a snow source.)

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

Flying Whenever Blizzard Specter deals combat damage to a player, choose one — • That player returns a permanent they control to its owner's hand...

Reach (This creature can block creatures with flying.) {R}: Steam Spitter gets +1/+0 until end of turn.

Discard a land card: Simian Brawler gets +1/+1 until end of turn.