Trample
Whenever a player casts a spell, put a +1/+1 counter on this creature.
Illustrated by Lucas Graciano · Magic Origins Promos · #186s
2015-06-22Managorger Hydra's last ability will resolve before the spell that caused it to trigger.
Whenever a player casts a green spell, put a +1/+1 counter on this creature.
Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.
Whenever a player casts a Giant spell, you may put a +1/+1 counter on this creature.