Simulated holo effect, for illustration only.
Magnificent Mavens
A Legendary Ocean
- Expansion
- Magnificent Mavens
- Code
- MAMA-EN079
- Rarity
- Ultra Rare
- Card type
- Spell · Field
- Archetype
- Umi
Card text
(This card's name is always treated as "Umi".) All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.
Other printings
- SBC1-ENI27Speed Duel: Streets of Battle CityCommon
- SGX2-ENC13Speed Duel GX: Midterm ParadoxCommon
- LDS1-EN029Legendary Duelists: Season 1Common
- LEDU-EN021Legendary DuelistsCommon
- SDRE-EN024Realm of the Sea Emperor Structure DeckCommon
- RP02-EN062Retro Pack 2Common
- DB-EN66Dark Beginning 2Common
- DB2-EN187Dark Beginning 2Common
- SD4-EN020Structure Deck: Fury from the DeepCommon
- HL1-EN003Hobby League 1 participation cards BCommon
- LOD-078Legacy of DarknessCommon
- LOD-EN078Legacy of DarknessCommon
Price history
Ungraded cards
Condition: Near Mint (Mint and Near Mint)
- From
- —
- Price trend
- €0.33
- Average price 30 days
- €0.34
- Average price 7 days
- €0.34
- Average price 1 day
- €0.18
Oct 2, 2026 · €0.33
The dashed line is an estimate from the markets' rolling averages; recorded history starts on Oct 1, 2026.
Show data as a table
| Date | Price | Low |
|---|---|---|
| Oct 2, 2026 | €0.33 | — |
| Oct 1, 2026 | €0.34 | — |
| Sep 24, 2026 (estimate) | €0.34 | — |
| Sep 1, 2026 (estimate) | €0.34 | — |
Graded index
Certified cards, by grader and grade — kept apart from ungraded prices.
No graded prices
There aren't enough reliable offers for this graded card on external markets.