Mastermind Plum

Whenever Mastermind Plum attacks, exile up to one target card from a graveyard. If an artifact card was exiled this way, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.") Whenever you cast a spell, if mana from a Treasure was spent to cast it, you draw a card and you lose 1 life.

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