The Brothers' War · #319
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Prototype {1}{U}{U} — 2/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) When this creature enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to this creature's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.
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Arcane Proxy (BRO-319) is an Artifact Creature — Wizard from The Brothers' War set with Prototype and a printed 4/3 body. When it enters the battlefield after being cast, it can exile an instant or sorcery card from your graveyard with mana value less than or equal to its power and create a castable copy of that card without paying its mana cost. Its Prototype mechanic lets you cast it for an alternate smaller cost and size, changing its mana value, power, and toughness for casting purposes.
Catalog pricing data as of 20 Apr 2026, 22:04
