The 1997 Weatherlight release features Mwonvuli Ooze, a rare green creature card known for its escalating cumulative upkeep and dynamic power scaling.
Mwonvuli Ooze
1997 • Magic: The Gathering • Weatherlight
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Market & Price History
| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$0.78 | Guide Estimate | +5.4% | ||
- $0.78
- Source
- Guide Estimate
- Trend
- +5.4%
- Price Details
30-day Price History
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Sep 22, 2026
Description
Released in 1997 as part of the Weatherlight expansion, Mwonvuli Ooze is a distinctive Rare card from the Magic: The Gathering trading card game. Identified as card number 135 in the set, this green Creature — Ooze presents a unique mechanical challenge that diverges from standard stats. Unlike typical creatures, its power and toughness are not static; they are each equal to 1 plus twice the number of age counters on it. This means the card grows significantly stronger over time, offering escalating threat potential as the game progresses. However, this growth comes at a steep cost. The card features cumulative upkeep, requiring the controller to pay {2} for each age counter on it at the beginning of their upkeep. If the player cannot or chooses not to pay, the Ooze must be sacrificed. This creates a high-stakes dynamic where the card becomes increasingly powerful but also increasingly expensive to maintain. Collectors and players alike appreciate this risk-reward structure, which defines the card’s identity within the Weatherlight set. The weathered aesthetic and thematic flavor of the Ooze are captured in the card’s flavor text, "Ewww!", reflecting the creature’s nature within the game’s universe. The card was illustrated by Zina Saunders, whose artwork complements the set’s visual style and contributes to the overall appeal of the Weatherlight expansion. As a Rare card from the WTH set, Mwonvuli Ooze remains a notable piece of Magic: The Gathering history, valued for its clever design and memorable gameplay interaction. It serves as a key component for collectors seeking to complete the Weatherlight set or those who appreciate innovative card mechanics from the late 1990s era of the game.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Mwonvuli Ooze
Game
Magic: The Gathering
TCG Attributes
Rarity, print treatment, and game-specific stats for this card.
Rare
Zina Saunders
Card Stock
English
{G}
Creature — Ooze
1+* / 1+*
G
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
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.
"Ewww!"










