Creature — Ooze */*, 5GG (7)
Rare
Ancient Ooze's power and toughness are each equal to the total converted mana cost of other creatures you control.
The ooze has always been. The ooze will always be.
Illus. Erica Gassalasca-Jape

10/4/2004: You add up the converted mana cost of all other creatures you control. Remember that tokens and face-down creatures have a cost of zero.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander