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 Coin of Mastery | |
|---|---|
| Mana cost |  |
| Mana value | 4 |
| Type | Artifact |
| Power / Toughness | — |
| Rarity | Rare |
| Price | $2.21 |
| Rules 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. : Create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.") |