Skreech Verminking

Menace
Skreech Verminking enters the battlefield with thirteen swarm counters on him. Whenever you
lose life or discard one or more cards, remove a
swarm counter from Skreech Verminking, if you
do, create a Skavenslave token.
While Skreech Verminking has no swarm
counters on him, Rats you control get +2/+0.