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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.
The first ability of both Restless Bloodseeker and Bloodsoaked Reveler will trigger if you gained life at any point during the turn, even if you also lost that much or more life during the same turn.
