Teferi's Protection [Strixhaven: School of Mages Mystical Archive] Fourth Edition (Foreign Black Border) Arctic Aven gets +1/+1 as

Arctic Aven gets +1/+1 as long as you control a Plains

{T}: Target creature loses first strike or swampwalk until end of turn

Set: Urza's Destiny Type: Artifact Creature — Construct Rarity: Rare Cost: {3} {T}: Reveal any number of artifact cards in your hand

Remove a dream counter from Rasputin: Add {C}

patched together from a jumble of still-recognizable body parts

Teferi's Protection [Strixhaven: School of Mages Mystical Archive] Fourth Edition (Foreign Black Border) Arctic Aven gets +1/+1 asSet: Strixhaven: School of Mages Mystical Archive Type: Instant Rarity: Mythic Cost: {2}{W} Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.