eternal · Teenage Mutant Ninja Turtles Eternal

Coin of Mastery

38/132 • rare • illus. Madeline Boni

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About Coin of Mastery

Coin of Mastery (card #38) is a rare card from the Teenage Mutant Ninja Turtles Eternal set in the Magic: The Gathering Trading Card Game. It is the 38th of 132 cards in the base set. It carries a rarity of rare, which determines how often it appears in booster packs. The Teenage Mutant Ninja Turtles Eternal set belongs to the eternal series and was released in 2026. Its artwork was illustrated by Madeline Boni. Track its full price history, compare raw and graded values, browse other printings, and find live listings below.

Card details

Set: Teenage Mutant Ninja Turtles Eternal
Number: #38 of 132
Rarity: rare
Artist: Madeline Boni
Year: 2026
Game: Magic: The Gathering

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Card details

Type: Artifact
Mana cost: {4}
Mana value: 4
Rarity: rare
Artist: Madeline Boni
Released: 6 Mar 2026

Oracle text

Each creature you control enters with an additional +1/+1 counter on it for each mana from an artifact source spent to cast it. {T}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")