{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 {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 {R} or {G}.) This land enters tapped.

This land enters tapped. {T}: Add {R} or {G}.

{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.)

{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 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.

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

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

{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}: Add {C}{C}.

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.

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.)

When this creature enters, you may search your library for a Mountain card, put that card onto the battlefield tapped, then shuffle. This creature attacks each combat if able. When this creature leaves the battlefield, sacrifice a Mountain.

{T}: Add {C}.

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.)

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

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

{T}: Target creature can't block this turn. {S}: This creature gains haste until end of turn. ({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.

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

{T}: Untap another target snow permanent.

Trample Whenever this creature 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.)

Flying {2}{S}: Tap target creature and put an ice counter on it. ({S} can be paid with one mana from a snow source.) Creatures with ice counters on them don't untap during their controllers' untap steps.

{T}: Untap target snow land.

When this creature enters, search your library for a snow land card, reveal it, put it into your hand, then shuffle. This creature gets +1/+0 for each other snow permanent you control.

When this creature enters, if it's on the battlefield, it deals damage equal to its power to target creature an opponent controls and that creature deals damage equal to its power to this creature. {2}{S}: Return this creature to its owner's hand. Activate only as a sorcery. ({S} can be paid with one mana from a snow source.)