Good Rick, the grafted

Trample,
When Godrick, the grafted enters the battlefield, sacrifice X number of creatures.
Godrick, the grafted gets a +1/+1 counter for each creature sacrificed
this way. Exile sacrificed creatures.
Godrick, the grafted has all activated abilities of creatures sacrificed to him.
Whenever Godrick, the grafted deals leathal damage to a creature, if that creature dies this turn,
put a +1/+1 counter on Godrick, the grafted