Track the Hunted

Place a Hunter counter on target human creature
you control and a Hunted counter on target non-
human creature you don't control.
Whenever a Hunted creature dies, Draw a card
and gain 3 life.
Whenever a Hunter creature dies, Discard a card
and lose 3 life.
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"We used to be friends, mate. But now,
I'll kill you. You and your new 'family'."