Super mardi

Flying Whenever this creature deals combat damage to a player, choose one — • That player returns a permanent they control to its owner's hand. • T...

{S}: This creature gets +1/+1 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

{T}: Add {C}.

This land enters tapped. {T}: Add {W} or {U}.

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

At the beginning of each end step, each player gains control of all nontoken permanents they own.

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...

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

Destroy target nonsnow creature.

Flying {S}: This creature gets +1/+1 until end of turn. ({S} can be paid with one mana from a snow source.)

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

You may exile two blue cards from your hand rather than pay this spell's mana cost. Gain control of target noncreature spell. You may choose new ta...

Counter target spell. Recover {2}{U}{U} (When a creature is put into your graveyard from the battlefield, you may pay {2}{U}{U}. If you do, return ...

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the...

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 ...

Destroy target Plains or Island. Cryoclasm deals 3 damage to that land's controller.

Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.

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 ...

Destroy target green or white creature.

{X}{X}{1}: Destroy target artifact or creature with mana value X.

Flying {1}{S}: Snow creatures you control get +1/+1 until end of turn. ({S} can be paid with one mana from a snow source.)

{T}: Target creature gets -1/-1 until end of turn. {4}{B}{B}, {T}, Sacrifice this creature: Target creature gets -6/-6 until end of turn.

Whenever this creature becomes blocked, you may draw two cards.

Trample Cumulative upkeep {R} or {G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its u...