Argaleth, The Life-Hungerer

Whenever you sacrifice another permanent,
choose one —
•Pay {w}: You gain 3 life.
•Pay {b}: You lose 1 life and draw a card.
•Pay {r}: Argaleth deals 3 damage to any target.
{bull}Pay {g}: Put a +1/+1 counter on target creature.
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Every drop of blood makes him stronger.