Mwonvuli Ooze

Summon - Ooze    (CMC:1)

Cumulative upkeep Mwonvuli Ooze has power and toughness each equal to 1 plus its last paid cumulative upkeep.

"Ewww"

WL • ENZina Saunders

™ & © 1993—1997 Wizards of the Coast

Legal in: Mirage Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

Mwonvuli Ooze {G} Creature — Ooze 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+★/1+★

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View this MTG card on Gatherer

10/4/2004
Its power/toughness changes when the cumulative upkeep resolves, not when it triggers.
4/1/2008
If you choose not to pay Mwonvuli Ooze's cumulative upkeep, it will still get an age counter before being sacrificed. Its power and toughness will momentarily increase before being put into the graveyard, which might matter to certain other cards (such as Proper Burial).

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