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Undercity Plunder
Sorcery
Target opponent discards a card. Then they may discard an additional card. If they don't, conjure a duplicate of a random card from their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
rare · #15 · yneo
Previewed: March 14 · Spoiled by Magic Arena