At the beginning of your upkeep, you lose 1 life and amass 1 (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.).
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink (Damage dealt by the creature also causes its controller to gain that much life.) until end of turn.
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