Necropouncer

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +3/+1 and has haste.
Equip

Leeching Bite

Target creature gets +1/+1 until end of turn. Another target creature gets -1/-1 until end of turn.

Mindculling

You draw two cards and target opponent discards two cards.

Septic Rats

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Septic Rats attacks, if defending player is poisoned, it gets +1/+1 until end of turn.