Mwonvuli Ooze

Creature - Ooze X+1/X+1, G (1)
Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay {2} for each age counter on it.)
Mwonvuli Ooze's power and toughness are each equal to 1 plus twice the number of age counters on it.¹
"Ewww!"
Illus. Zina Saunders

Crystal Keep Rulings Summaries

• Its power/toughness changes when the cumulative upkeep resolves, not when it is announced. [bethmo 1997/06/20]
• Note - Also see Cumulative Upkeep, Rule 502.13.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Weatherlight (Rare)