Mwonvuli Ooze

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay 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.

CMC

Set

WTH

Rarity

rare

Price

$0.70

FORMATS

CommanderLEGAL

Brawl (Historic)NOT LEGAL

StandardNOT LEGAL

ModernNOT LEGAL

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Comments & Rulings · 2

W
Wizards of the Coast2004-10-04 · official ruling
Its power/toughness changes when the cumulative upkeep resolves, not when it triggers.
W
Wizards of the Coast2008-04-01 · official ruling
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).