Slothula The Devour

{3}{w} Give Slothula The Devour +X +X where
X is the
amount of creatures you control
{4}{g} Give Target creature -X -X where
X is the
amount of creatures you have on your graveyard
{5}{w/b} Give Slothula The Devour Invincibility
until end of turn
{6}{g/w} Give each opponent -1 health on their
upkeep