From The Chasms

Choose one. If you control six or more Corruption permanents as you cast this spell, choose any number of effects. - Target creature gets -2/-2 until the end of turn. - Put a +1/+1 counter on up to two creatures you control. - Make a tapped 2/2 black Eater token with flying. {flavor} The chasms of the world’s evil have been the downfall of many an ill prepared adventurer.