The Pokémon Obsidian Flames Trevenant #12, an Uncommon Stage 1 Grass-type card featuring the Forest Miasma ability and Lock Up attack.
2023 • Pokémon • Obsidian Flames
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Raw / Ungraded
PriceCharting Price Guide · Guide Estimate evidence · captured Oct 6, 2026
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Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.Trevenant #12 from the 2023 Pokémon TCG Obsidian Flames set is a Stage 1 Grass-type Pokémon that evolves from Phantump. With 140 HP and a regulation mark of G, this card is designed for strategic gameplay and collection building. The card features the unique Forest Miasma ability, which allows players to place a damage counter on the opponent's Active Pokémon during Pokémon Checkup if Trevenant is in the Active Spot. This ability adds a layer of tactical depth, enabling collectors and players to disrupt their opponent's strategy early in the game. The card's attack, Lock Up, requires three Colorless energy and deals 100 damage while preventing the Defending Pokémon from retreating during the opponent's next turn. This effect can be crucial for controlling the board and forcing unfavorable decisions for your opponent. With a retreat cost of three, Trevenant is best positioned when it has already established control over the match. Created by artist Anesaki Dynamic, this card is part of the SV3 set code, which is part of the growing Obsidian Flames collection. Collectors appreciate this card for its solid gameplay mechanics and its role in the Pokémon universe, where Trevenant uses roots to control trees. The card's design and mechanics make it a valuable addition to any Pokémon TCG enthusiast's collection, offering both nostalgic appeal and competitive potential. Whether you are building a deck around Grass-type Pokémon or simply collecting cards from the Obsidian Flames series, Trevenant #12 is a standout choice. Its ability to disrupt opponents and deal significant damage makes it a versatile and reliable card in any collection.
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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
Trevenant
Game
Pokémon
Rarity, print treatment, and game-specific stats for this card.
Uncommon
Anesaki Dynamic
Card Stock
English
140
Grass
Stage 1
Phantump
Fire ×2
3
709
G
Abilities, attacks, oracle text, and flavor text printed on the card.
Ability: Forest Miasma
During Pokémon Checkup, if this Pokémon is in the Active Spot, put 1 damage counter on your opponent's Active Pokémon.
Attack: Lock Up (100)
During your opponent's next turn, the Defending Pokémon can't retreat.
Small roots that extend from the tips of this Pokémon's feet can tie into the trees of the forest and give Trevenant control over them.
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