Magik, Illyana Rasputin // Darkchild, Demon Uncaged

At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.

At the beginning of your end step, if you've sacrificed two or more permanents this turn, you may transform Magik.

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At the beginning of your upkeep, exile cards from the top of your library until you exile a nonland card. You may play those cards this turn.

Pay 4 life: Darkchild gains indestructible until end of turn. Tap her.