{T}: Add {U} or {C}{U}. Spend this mana only to pay cumulative upkeep costs.

{2}, {T}: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land.

When Balduvian Horde enters the battlefield, sacrifice it unless you discard a card at random.

{2}{R}, {T}: Choose a land type. Target creature you control gains snow landwalk of the chosen type until end of turn. Return that creature to its owner's hand at the beginning of the next end step. (It can't be blocked as long as defending player controls a snow land of that type.)

Enchant creature

Enchanted creature can't be blocked by blue creatures.

Enchanted creature gets +2/+2 as long as an opponent controls a blue permanent.

Enchant land you control

Enchanted land has "{W}{W}, {T}: Create a 0/1 white Caribou creature token."

Sacrifice a Caribou token: You gain 1 life.

Cumulative upkeep {2} (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.)

At the beginning of each player's upkeep, Cold Snap deals damage to that player equal to the number of snow lands they control.

Enchant creature

When Earthbind enters the battlefield, if enchanted creature has flying, Earthbind deals 2 damage to that creature and Earthbind gains "Enchanted creature loses flying."

{1}{G}: Folk of the Pines gets +1/+0 until end of turn.

{2}{G}, {T}: Untap target creature.

Until end of turn, whenever a creature you control attacks and isn't blocked, you may choose to have it deal damage equal to its power to a target creature. If you do, it assigns no combat damage this turn.

{1}{R}: Goblin Ski Patrol gets +2/+0 and gains flying. Its controller sacrifices it at the beginning of the next end step. Activate only once and only if you control a snow Mountain.

Whenever Goblin Snowman blocks, prevent all combat damage that would be dealt to and dealt by it this turn.

{T}: Goblin Snowman deals 1 damage to target creature it's blocking.

Tap an untapped snow land you control: Karplusan Giant gets +1/+1 until end of turn.

Green creatures you control get +1/+1.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}.

Flying

Whenever a creature dealt damage by Seraph this turn dies, put that card onto the battlefield under your control at the beginning of the next end step. Sacrifice the creature when you lose control of Seraph.

{R}{G}: Shambling Strider gets +1/-1 until end of turn.

Flying, trample

Defender (This creature can't attack.)

{1}: Snow Fortress gets +1/+0 until end of turn.

{1}: Snow Fortress gets +0/+1 until end of turn.

{3}: Snow Fortress deals 1 damage to target creature without flying that's attacking you.

({T}: Add {W}.)

Cumulative upkeep {U} (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 an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.

{2}, Discard a card at random: Stormbind deals 2 damage to any target.

Cumulative upkeep {1}{W} (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.)

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Destroy target land.

Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step.