Dark Depths enters with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{T}: Add {C}. {S}{S}{S}: This land becomes a 4/3 creature with vigilance and all creature types until end of turn. It's still a land. ({S} can be paid with one mana from a snow source.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Swamp, Forest, or Island card, put it onto the battlefield tapped, then shuffle. Cycling {B}{G}{U} ({B}{G}{U}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U} or {B}.

{T}: Add {C}. {1}{S}: Until end of turn, this land becomes a 2/3 Construct artifact creature. It's still a land. ({S} can be paid with one mana from a snow source.) Whenever this land deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

({T}: Add {U} or {B}.) This land enters tapped.

{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.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {G} or {U}.) This land enters tapped.

{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 paid with one mana from a snow source.)

This land enters tapped. As this land enters, choose a color. {T}: Add one mana of the chosen color.

({T}: Add {G}.)

({T}: Add {U}.)

When this creature enters, tap target artifact or creature an opponent controls. If {S} was spent to cast this spell, that permanent doesn't untap during its controller's next untap step. ({S} is mana from a snow source.)

Tap target creature an opponent controls and put three stun counters on it. Scry 2. (If a permanent with a stun counter would become untapped, remove one from it instead.)

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

Flash Flying When this creature enters, draw a card. This creature has deathtouch as long as you control at least three other snow permanents.

{S}, {T}: Tap target artifact or creature. ({S} can be paid with one mana from a snow source.)

Affinity for snow lands (This spell costs {1} less to cast for each snow land you control.) When this creature enters, artifacts and creatures target opponent controls don't untap during that player's next untap step. Return three snow lands you control to their owner's hand: Return this creature to its owner's hand.

Vigilance Whenever this creature attacks, you may pay {1}{U}. When you do, tap target creature an opponent controls. Whenever you tap an untapped creature an opponent controls, this creature gets +2/+1 until end of turn.

Tap X target creatures. Ferocious — If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.

This spell can't be countered. (This includes by the ward ability.) Tap up to two target creatures and put a stun counter on each of them. Investigate. (If a permanent with a stun counter would become untapped, remove one from it instead.)

{T}, Sacrifice this creature: Target creature gets -X/-X until end of turn, where X is the number of snow lands you control. Activate only as a sorcery.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.

Choose target creature you control and target creature you don't control. If you control three or more snow permanents, the creature you control gets +1/+0 and gains indestructible until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

Flash Flying When this creature enters, if you control another snow permanent, exile target permanent other than this creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Permanents you control gain hexproof and indestructible until end of turn.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

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 with one mana from a snow source.)

{S}{S}: This creature becomes a Spirit Warrior with base power and toughness 2/3. {S}{S}{S}: If this creature is a Warrior, put a flying counter on it and it becomes a Spirit Warrior Angel with base power and toughness 4/4. {S}{S}{S}{S}: If this creature is an Angel, put two +1/+1 counters on it and it gains "Whenever this creature deals combat damage to a player, draw a card."

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

{4}{S}{S}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous. {S} can be paid with one mana from a snow source.) As long as this creature is monstrous, it has flying.

If a nontoken creature an opponent controls would die, exile that card with an ice counter on it instead. You may cast spells from among cards in exile your opponents own with ice counters on them, and you may spend mana from snow sources as though it were mana of any color to cast those spells.

Flying {S}{S}: This creature gains shroud until end of turn. ({S} can be paid with one mana from a snow source. A creature with shroud can't be the target of spells or abilities.)

{1}{S}: This creature can't be blocked this turn. ({S} can be paid with one mana from a snow source.)

Reach (This creature can block creatures with flying.) Whenever this creature blocks a creature with flying, put a +1/+1 counter on this creature at end of combat.

{1}{S}: This creature gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures. {S} can be paid with one mana from a snow source.)

Whenever another snow permanent you control enters, you may have target player mill two cards.

{S}{S}: This creature gets +2/+0 and gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it. {S} can be paid with one mana from a snow source.)

Changeling (This card is every creature type.) You may have Moritte enter as a copy of a permanent you control, except it's legendary and snow in addition to its other types and, if it's a creature, it enters with two additional +1/+1 counters on it and has changeling.

Counter target spell.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Distribute X +1/+1 counters among any number of creatures you control, where X is the amount of {S} spent to cast this spell. Then draw a card for each creature you control with power 4 or greater.

Whenever you cast a creature spell, if {S} of any of that spell's colors was spent to cast it, that creature enters with an additional +1/+1 counter on it. ({S} is mana from a snow source.)

Other snow and Zombie creatures you control get +1/+1. {S}{S}{S}: Return this card from your graveyard to the battlefield tapped. ({S} can be paid with one mana from a snow source.)

Search your library for a card, put that card into your hand, then shuffle.

{S}, {T}: Look at the top card of your library. If it's a snow card, you may reveal it and put it into your hand. ({S} can be paid with one mana from a snow source.)

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

Whenever this creature deals combat damage to a creature, destroy that creature at end of combat. Whenever this creature deals combat damage to a player, you may draw a card.

({S} can be paid with one mana from a snow source.) When this artifact enters, draw a card. {1}, {T}: Add one mana of any color.

{T}: Add {C}.

As long as this creature is tapped, creature spells you cast cost {2} less to cast.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

Enchant land Enchanted land is snow. Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Search your library for a snow land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

{T}: Untap another target snow permanent.

{T}: Untap target snow land.

Trample Abominable Treefolk's power and toughness are each equal to the number of snow permanents you control. When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Flying {S}: This creature gets +1/+1 until end of turn. ({S} can be paid with one mana from a snow source.)

Trample {3}{G}: This creature gets +X/+X until end of turn, where X is the number of snow permanents you control.

Flying, trample {S}{S}: This creature gets +2/+2 until end of turn. ({S} can be paid with one mana from a snow source.)

Whenever Marit Lage's Slumber or another snow permanent you control enters, scry 1. At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage's Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

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 target permanent. Permanents with ice counters on them are snow.