Mwonvuli Ooze
Creature — 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.
"Ewww!"
1+*/1+*
Illustrated by Zina Saunders
Formats
Not Legalstandard
Not Legalhistoric
Not Legaltimeless
Not Legalpioneer
Not Legalmodern
Legallegacy
Not Legalpauper
Legalvintage
Not Legalpenny
Legalcommander
Legaloathbreaker
Not Legalbrawl
Not Legalalchemy
This printing
Prices
USD$0.85
EUR€0.78
MTGO0.02 tix
Rulings (2)
Its power/toughness changes when the cumulative upkeep resolves, not when it triggers.
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).
