Mwonvuli Ooze
Market price
Normal
- Near Mint
- $0.77
- Lightly Played
- $0.78
- Moderately Played
- $0.28
- Heavily Played
- $0.38
- Damaged
- $0.24
- Near Mint
- $0.77
- Lightly Played
- $0.78
- Moderately Played
- $0.28
- Heavily Played
- $0.38
Buy
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Cumulative upkeep 
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
Rulings (2)
Oct 4, 2004
Its power/toughness changes when the cumulative upkeep resolves, not when it triggers.
Apr 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).