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Home / Magic: The Gathering / Teenage Mutant Ninja Turtles Eternal / Coin of Mastery
Coin of Mastery
NM
LP
MP
HP

Viewing offers in Near Mint condition

rare · Artifact

Coin of Mastery

rare · Artifact · Teenage Mutant Ninja Turtles Eternal
$2.01
Low
$2.37
Market
$2.96
High
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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.")

Card Details

-/-Power / Toughness
{4}Mana Cost
1Prints

Set

Teenage Mutant Ninja Turtles Eternal · View all prints →

Character Background

Coin of Mastery is a cleanly designed value engine for decks that want to turn artifact mana into board pressure, especially midrange or ramp shells that can keep deploying creatures ahead of curve. Its static ability rewards you for spending mana from artifact sources when casting creatures, effectively turning Treasures, mana rocks, and artifact-fueled cost reducers into permanent +1/+1 counter growth. That makes it especially strong in builds that chain out multiple creatures in one turn, since every artifact-paid mana can permanently widen your board. The activated ability is also useful on its own, smoothing colors while setting up a future creature burst. In practice, this card shines with Treasure makers, cheap rocks, and decks that cast creatures off artifact mana after a big setup turn. A good deckbuilding tip is to prioritize creatures with strong enter-the-battlefield effects, because Coin of Mastery lets those bodies arrive larger without asking you to sacrifice card quality for raw stats.

Generated using gpt-5.4-mini

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Suggested Pricing
$2.01 - $2.96
At the current market price of $2.37.
Average Time to Sell
3 days
At the current market price of $2.37.

Public Decks Using This Card

Turtle Power! (Teenage Mutant Ninja Turtles Commander Precon Decklist) by Cardflippr · 1x · 100 cards

Related Cards

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Character Background

Coin of Mastery is a cleanly designed value engine for decks that want to turn artifact mana into board pressure, especially midrange or ramp shells that can keep deploying creatures ahead of curve. Its static ability rewards you for spending mana from artifact sources when casting creatures, effectively turning Treasures, mana rocks, and artifact-fueled cost reducers into permanent +1/+1 counter growth. That makes it especially strong in builds that chain out multiple creatures in one turn, since every artifact-paid mana can permanently widen your board. The activated ability is also useful on its own, smoothing colors while setting up a future creature burst. In practice, this card shines with Treasure makers, cheap rocks, and decks that cast creatures off artifact mana after a big setup turn. A good deckbuilding tip is to prioritize creatures with strong enter-the-battlefield effects, because Coin of Mastery lets those bodies arrive larger without asking you to sacrifice card quality for raw stats.

Generated using gpt-5.4-mini · Updated at 2026-09-30 23:10:43 UTC

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