Whenever Kefka enters or attacks, each player discards a card. Then you draw a card for each card type among cards discarded this way.
8: Each opponent sacrifices a permanent of their choice. Transform Kefka. Activate only as a sorcery.
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Kefka, Ruler of Ruin
Flying
Whenever an opponent loses life during your turn, you draw that many cards.

NOTE: Stock image, not actual card.