Dirge Singer

Mutate {b}{b} (If you cast this spell for its mutate
cost, put it over or under target non-Human creature
you own. They mutate into the creature on top plus all abilities from under it.)
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When Dirge Singer or another creature mutates, target player loses 2 life, and you gain 2 life.
...I hate myself for loving you and the weakness that
it showed. You were just a painted face on a trip down
to suicide road....