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 the battlefield with an additional +1/+1 counter on it. ({S} is mana from a snow source.)

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.)

Enchant creature Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.) Enchanted creature gets +3/+3 for each age counter on Glacial Plating.

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

Draw three cards, then put two cards from your hand on top of your library in any order.

{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.)

Reveal the top six cards of your library. You may put any number of snow permanent cards from among them into your hand. Put the rest into your graveyard.

Scry X, where X is the amount of {S} spent to cast this spell, then draw three cards. ({S} is mana from a snow source.)

Flash Flying When Ice-Fang Coatl enters the battlefield, draw a card. Ice-Fang Coatl has deathtouch as long as you control at least three other snow permanents.

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

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

Counter target spell.

Enchant creature Enchanted creature can't block, and its activated abilities can't be activated. {S}: Enchanted creature gains defender until end of turn. ({S} can be paid with one mana from a snow source.)

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

({T}: Add {G} or {W}.) Arctic Treeline enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity.

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

({T}: Add {W} or {U}.) Glacial Floodplain enters the battlefield tapped.

{T}: Add {C}. {4}{S}, {T}, Sacrifice Mouth of Ronom: It deals 4 damage to target creature. ({S} can be paid with one mana from a snow source.)

({T}: Add {G} or {U}.) Rimewood Falls enters the battlefield tapped.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

({T}: Add {G}.)

({T}: Add {U}.)

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

Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.) If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on Cover of Winter. {S}: Put an age counter on Cover of Winter.

Ward {3} Other creatures you control have ward {3}. Whenever Storvald enters the battlefield or attacks, choose one or both — • Target creature has base power and toughness 7/7 until end of turn. • Target creature has base power and toughness 1/1 until end of turn.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

({S} can be paid with one mana from a snow source.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any color.

{T}: Add {C}.

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

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. 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}: Add {C}{C}.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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

Destroy target artifact or enchantment. Its controller gains 4 life.

Enchant snow land you control When On Thin Ice enters the battlefield, exile target creature an opponent controls until On Thin Ice leaves the battlefield.

Exile target creature. Its controller gains life equal to its power.

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

Flying {S}{S}: Frost Raptor 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}: Frostpeak Yeti can't be blocked this turn. ({S} can be paid with one mana from a snow source.)

{S}: Frostwalla gets +2/+2 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

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

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

When Berg Strider enters the battlefield, 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.)

Roll a d20. 1—9 | Tap all creatures your opponents control. 10—19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. 20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter the battlefield tapped.

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

This spell costs {1} less to cast for each snow land you control. When Icebreaker Kraken enters the battlefield, 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 Icebreaker Kraken to its owner's hand.

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.

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

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

{T}: Untap another target snow permanent.

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

{T}: Add one mana of any color in your commander's color identity.

{S}{S}: Ascendant Spirit becomes a Spirit Warrior with base power and toughness 2/3. {S}{S}{S}: If Ascendant Spirit 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 Ascendant Spirit 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."

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.)

{S}: Boreal Centaur gets +1/+1 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

At the beginning of your end step, put a +1/+1 counter on each creature you control and a loyalty counter on each planeswalker you control.

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

(Gain the next level as a sorcery to add its ability.) Landfall — Whenever a land enters the battlefield under your control, you gain 1 life. {2}{G}: Level 2 You may play an additional land on each of your turns. {4}{G}: Level 3 When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

You may play an additional land on each of your turns. Lands you control are every basic land type in addition to their other types.

You may play an additional land this turn. Draw a card.

Draw a card. You may put a land card from your hand onto the battlefield.

({S} can be paid with one mana from a snow source.)

Kicker {G} (You may pay an additional {G} as you cast this spell.) Scry 2, then draw a card. If this spell was kicked, you may put a land card from your hand onto the battlefield.

Changeling (This card is every creature type.) You may have Moritte of the Frost enter the battlefield 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.

Scry 1. Draw a card.

Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

Flying {S}, {T}: Draw a card, then discard a card. ({S} can be paid with one mana from a snow source.)

You may have Pirated Copy enter the battlefield as a copy of any creature on the battlefield, except it's a Pirate in addition to its other types and it has "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card."

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

Enchant creature Enchanted creature gets +2/+0 and has trample. When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

The next spell you cast this turn can be cast as though it had flash. When you cast your next spell this turn, put X +1/+1 counters on up to one target creature, where X is the mana value of that spell.

Trample Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs. {2}{S}: Target creature blocks target creature this turn if able. ({S} can be paid with one mana from a snow source.)

Saddled Rimestag gets +2/+2 as long as you had another creature enter the battlefield under your control this turn.

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Enchant creature Enchanted creature has flying. Enchanted creature has first strike as long as it's blocking and you control a snow land.

Choose one — • Target nonsnow permanent becomes snow until end of turn. • Target snow permanent isn't snow until end of turn. Draw a card at the beginning of the next turn's upkeep.

Choose two — • Exile target player's graveyard. You gain 1 life for each card exiled this way. • Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. • Create two 2/2 green Bear creature tokens. • Put two +1/+1 counters on each creature you control.

Return target permanent card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)