Gorging Pentahydra

Sacrifice X creatures, {t}: Put X +1/+1 counters
on Gorging Pentahydra.
Whenever Gorging Pentahydra kills a creature,
put a +1/+1 counter on it. If Gorging
Pentahydra reaches power 10 or greater, it
gains trample and menace.
More heads just makes for even more
mouths to feed.