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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.
Abilities, attacks, weakness & resistance
Other cards from The Brothers' War Promos
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Arcane Proxy (PBRO-75p Foil) is an artifact creature — Wizard promo from The Brothers' War Promos. When it enters the battlefield after you cast it, it can exile an instant or sorcery from your graveyard with mana value less than or equal to its power and copy that card, allowing you to cast the copy without paying its mana cost. Its Prototype mechanic lets you cast it for an alternate smaller cost and different power/toughness, enabling different interactions depending on how you cast it.
Catalog pricing data as of 4 May 2026, 23:06
