Hydralord Vinrace

Trample
Deathtouch
Exploit 5 (When this creature enters the battlefield, you may sacrifice five creature.)
When a creature dies, return it to the battlefield under your control.
When Hydralord Vinrace exploits five or more creatures, draw four cards. You may discard any number of cards. For each creature card discarded this way, put a 5/5 Demon creature token with flying onto the battlefield.