Undead hydra

Trample
Decay 8 (This creature enters the battlefield with 8 +1/+1 counters on it. Whenever this creature blocks or becomes blocked, remove a +1/+1 counter from it.)
When Undead Hydra dies, create four 1/1 black and green Worm creature tokens.
this abomination is the result of a necromancers failed experiment.