The 1997 Weatherlight release features Mwonvuli Ooze, a rare green creature card known for its escalating cumulative upkeep and dynamic power scaling.
1997 • Magic: The Gathering • Weatherlight
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$0.84 | Guide Estimate | +1.2% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 29, 2026
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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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Mwonvuli Ooze
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Rare
Zina Saunders
Card Stock
English
{G}
Creature — Ooze
1+* / 1+*
G
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!"
FAQ
The mana cost for Mwonvuli Ooze is one green mana, making it a low-cost creature to cast early in the game.
At the beginning of your upkeep, you must put an age counter on Mwonvuli Ooze. You then pay {2} for each age counter on it or sacrifice the card.
The card art was created by Zina Saunders, who provided the visual design for this 1997 Weatherlight expansion card.
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