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.

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

{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.)

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

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.)

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.

Flash When this Equipment enters, attach it to target creature you control. That creature gains shroud until end of turn. (It can't be the target of spells or abilities.) Equipped creature can't be blocked. Equip {3}

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

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

{T}: Untap another target snow permanent.

{T}: Untap target snow land.

Untap all permanents you control during each other player's untap step.

Counter target spell.

Choose two — • Counter target spell. • Return target permanent to its owner's hand. • Tap all creatures your opponents control. • Draw a card.

Counter target noncreature spell.

{1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.)

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

{2}: Target snow land you control becomes a 4/4 Elemental creature with hexproof and haste until end of turn. It's still a land. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

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

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.

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.)

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. When this Aura is put into a graveyard from the battlefield, you may pay {1}. If you do, scry 1, then draw a card.

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 tapped.

{1}, {T}: Tap target creature. This ability costs {1} less to activate during your turn. {3}, Sacrifice Hylda's Crown of Winter: Draw a card for each tapped creature your opponents control.

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

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.

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

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}: Add one mana of any color that a land an opponent controls could produce.

{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}: 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.

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

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

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

{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}.)

({T}: Add {B}.)

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

({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}.

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

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 that a land an opponent controls could produce.

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 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."

{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."

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

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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.

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

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

Devoid (This card has no color.) When you cast this spell, remove all counters from up to one target permanent or opponent. The next spell you cast this turn costs {1} less to cast for each counter removed this way. Deathtouch

{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.