Ivald, The Slime Father

Ooze creatures you control gain X +1/+1 counters, where X is the amount of Ooze creatures under your control, or in your graveyard.
{p/g}{p/b}{3}{t} Sacrifice 5 or more Ooze creatures you control; Conjure a card called "Starving mass" on the battlefield. It does battle with up to two target creatures.