Shadow Tooth Hydra

Swampwalk
When Shadow Tooth Hydra enters the battlefield,
summon two 3/3 hydra head token creatures
with Trample
{5}{b}{b}{b}{b} Shadow Tooth Hydra gets
Deathtuch and Trample until end of turn
{t}{10}{b} Destroy target creature or planeswalker
and look through your graveyard and put three
creatures in to the battlefield untapped.
"Kill one head, two more come."