Rules Text Contains: At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with "1, T, Discard a card, Sacrifice this artifact: Draw a card.")
Sacrifice two Blood tokens: Transform this creature. Activate only as a sorcery.
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Bloodsoaked Reveler At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with "1, T, Discard a card, Sacrifice this artifact: Draw a card.") 4B: Each opponent loses 2 life and you gain 2 life.