Invasion of Arcavios // Invocation of the Founders
Battle — Siege // Enchantment · {3}{U}{U}
0.37
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(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle.
