Snaptooth, Swamp Scavenger

Swampwalk, Forestwalk
When Snaptooth, Swamp Scavenger enters the battlefield, destroy up to 3 target creatures.
Put X +1/+1 counters on Snaptooth, where X
is the total combined toughness of those creatures.
{t}: Destroy target creature with converted mana
cost 5 or less.
"It may be blind, but nature has other ways of
seeing it's prey."