Korkuronos's Jungle Trapper

Korkuronos's Jungle Trapper gets +1/+1 for each
instant or sorcery spell on each player graveyards.
Whenever a creature damaged by this creature
dies, it's owner puts the top two cards of their
library into their graveyard.
{t}: Korkurono's Jungle Trapper deals damage
equal to its power to target creature.