M:tG card similarity search
G · Enchantment
At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
| Name | Mana | Type | Text |
|---|---|---|---|
| Great Furnace | Artifact Land | {T}: Add {R}. | |
| Gruul Signet | 2 | Artifact | {1}, {T}: Add {R}{G}. |
| Hengegate Pathway | Land | {T}: Add {W}. | |
| Mistgate Pathway | Land | {T}: Add {U}. | |
| Izzet Signet | 2 | Artifact | {1}, {T}: Add {U}{R}. |
| Mossfire Valley | Land | {1}, {T}: Add {R}{G}. | |
| Mox Emerald | 0 | Artifact | {T}: Add {G}. |
| Mox Jet | 0 | Artifact | {T}: Add {B}. |
| Mox Pearl | 0 | Artifact | {T}: Add {W}. |
| Mox Ruby | 0 | Artifact | {T}: Add {R}. |