Pack of Chattering Sardons

Flying, Haste
Other Spirits you control get +1/+1.
Beginning your end step, you may exile a card
from an opponent's graveyard and give Pack of
Chattering Sardons a +1/+1 counter.
—
Madness rides the star-wind... claws and teeth
sharpened on centuries of corpses... dripping death
astride a bacchanale of bats from nigh-black ruins of
buried temples of Belial.