Rootfist Skink

Whenever Rootfist Skink becomes tapped, you
may search your library for a basic land card,
put it onto the battlefield tapped, then shuffle
your library.
{1}{g/u}, sacrifice a forest, {t}: Create X 1/1 green
Spawn creature tokens where X is the number of
lands in your graveyard.
{1}{u/b}, sacrifice a creature, {t}: Create a X/X black
Spawn creature token where X is equal to the
sacrificed creatures power.