Arctic Flats enters the battlefield tapped.

{T}: Add {G} or {W}.

Arctic Flats enters the battlefield tapped.

{T}: Add {G} or {W}.

Trample

Whenever Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

Whenever Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

When Aurochs Herd enters the battlefield, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

When Aurochs Herd enters the battlefield, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

When Aurochs Herd enters the battlefield, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Cumulative upkeep--Add {R}. (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.)

Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

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

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.

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.

Destroy target artifact or enchantment.

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.)

Cumulative upkeep {1} (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.)

Whenever you pay Hibernation's End's cumulative upkeep, you may search your library for a creature card with mana value equal to the number of age counters on Hibernation's End, put it onto the battlefield, then shuffle.

Cumulative upkeep {1} (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.)

Whenever you pay Hibernation's End's cumulative upkeep, you may search your library for a creature card with mana value equal to the number of age counters on Hibernation's End, put it onto the battlefield, then shuffle.

Highland Weald enters the battlefield tapped.

{T}: Add {R} or {G}.

Highland Weald enters the battlefield tapped.

{T}: Add {R} or {G}.

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

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

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

Whenever Karplusan Wolverine becomes blocked, you may have it deal 1 damage to any target.

Whenever Karplusan Wolverine becomes blocked, you may have it deal 1 damage to any target.

{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 {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 {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 {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.)

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

{T}: Untap another target snow permanent.

{T}: Untap another target snow permanent.

{T}: Untap another target snow permanent.

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.)

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.)

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.)

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.

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.

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.

Skred deals damage to target creature equal to the number of snow permanents you control.

Skred deals damage to target creature equal to the number of snow permanents you control.

Skred deals damage to target creature equal to the number of snow permanents you control.

Skred deals damage to target creature equal to the number of snow permanents you control.

Flying

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

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 damage it would deal and it has defender.

Whenever Woolly Razorback blocks, remove an ice counter from it.