Coin of Mastery

set	min	mtgo
-	0.00	2.28 tix

Spoilers Random card

Name	Coin of Mastery
Type	Artifact
Description	Each creature you control enters with an additional +1/+1 counter on it for each mana from an artifact source spent to cast it. : Create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
Flavor	Nowhere else can one coin buy you a second chance.
Artist	Madeline Boni
Set	Teenage Mutant Ninja Turtles Eternal #38
Wallpaper	download
Image	download

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About Coin of Mastery

Coin of Mastery, Artifact, designed by Madeline Boni first released in Feb, 2026 in the set Teenage Mutant Ninja Turtles Eternal. It see play in 1 formats: Commander.

Coin of Mastery would fit best in an artifact-heavy Commander deck—especially one that consistently produces mana from artifacts (Treasure-focused decks like Prosper, Tome-Bound; Magda, Brazen Outlaw; or Jhoira, Weatherlight Captain) or decks using mana rocks to cast creature-heavy boards—because the +1/+1 counter scaling only becomes meaningful if a large portion of your creature’s cost is paid with artifact mana; it also synergizes well with modular, +1/+1 counter, or artifact-creature strategies. However, at four mana with no immediate board impact beyond future scaling and only tapping for a single Treasure per turn, it is relatively slow compared to stronger options like The Ozolith (better counter value retention), Hardened Scales (more efficient counter scaling), Inspiring Call (protection and draw), or Smothering Tithe / Academy Manufactor (far superior Treasure production), and even Urza, Lord High Artificer for artifact-mana synergy. Because it requires setup, doesn’t reduce