Cumulative upkeep (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. 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.

: Put an age counter on Cover of Winter.

Choose one —

• Exile target creature.

• Target opponent exiles an enchantment they control.

Whenever Jorn attacks, untap each snow permanent you control.

As Neverwinter Hydra enters, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results.

Trample

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Tap up to one target creature. Scry 1, then draw a card.

Tap target creature. It doesn't untap during its controller's next untap step. (Then exile this card. You may cast the creature later from exile.)

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

Players can't untap more than one nonbasic land during their untap steps.

Flip a coin. If you win the flip, Winter Sky deals 1 damage to each creature and each player. If you lose the flip, each player draws a card.

Ward

At the beginning of your upkeep, each player draws two cards.

Delirium — As long as there are four or more card types among cards in your graveyard, each opponent's maximum hand size is equal to seven minus the number of those card types.

Wintermoon Mesa enters tapped.

: Add .

, , Sacrifice Wintermoon Mesa: Tap two target lands.

Cast this spell only during combat before blockers are declared.

X can't be greater than the number of snow lands you control.

Choose X target attacking creatures. For each of those creatures, its controller may pay or . If that player doesn't, destroy that creature at end of combat. If that player pays only , prevent all combat damage that would be dealt to and dealt by that creature this combat.

Winter's Intervention deals 2 damage to target creature. You gain 2 life.

Enchant creature

When Winter's Rest enters, tap enchanted creature.

As long as you control another snow permanent, enchanted creature doesn't untap during its controller's untap step.