Tainted Love

Tap target untapped creature. That creature deals damage equal to its power to its controller.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

Trample When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)