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 Restless Bloodseeker. Activate only as a sorcery.

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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.”)

{4}{B}: Each opponent loses 2 life and you gain 2 life.