M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Commander's Sphere | 3 | Artifact | {T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card. |
| Chromatic Sphere | 1 | Artifact | {1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card. |
| Underdome | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to pay Un-costs. | |
| Letter of Acceptance | 3 | Artifact | {T}: Add one mana of any color. {2}, {T}, Sacrifice Letter of Acceptance: Draw a card. |
| Vault of Catlacan | Legendary Land | (Transforms from Storm the Vault.) {T}: Add one mana of any color. {T}: Add {U} for each artifact you control. | |
| Blacker Lotus | 0 | Artifact | {T}: Tear Blacker Lotus into pieces. Add four mana of any one color. Remove the pieces from the game. |
| Inherited Envelope | 3 | Artifact | When Inherited Envelope enters the battlefield, the Ring tempts you. {T}: Add one mana of any color. |
| Salvaged Manaworker | 2 | Artifact Creature — Construct | {1}: Add one mana of any color. Activate only once each turn. 1/3 |
| Scarecrow Guide | 2 | Artifact Creature — Scarecrow | Reach {1}: Add one mana of any color. Activate only once each turn. 2/1 |
| Shire Scarecrow | 2 | Artifact Creature — Scarecrow | Defender {1}: Add one mana of any color. Activate only once each turn. 0/3 |