M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Ravaged Highlands | Land | Ravaged Highlands enters the battlefield tapped. {T}: Add {R}. {T}, Sacrifice Ravaged Highlands: Add one mana of any color. | |
| Seafloor Debris | Land | Seafloor Debris enters the battlefield tapped. {T}: Add {U}. {T}, Sacrifice Seafloor Debris: Add one mana of any color. | |
| Timberland Ruins | Land | Timberland Ruins enters the battlefield tapped. {T}: Add {G}. {T}, Sacrifice Timberland Ruins: Add one mana of any color. | |
| Ancient Cornucopia | 2G | Artifact | Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn. {T}: Add one mana of any color. |
| Ally Encampment | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell. {1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand. | |
| Sliver Hive | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Sliver spell. {5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver. | |
| Phyrexian Atlas | 3 | Artifact | {T}: Add one mana of any color. Corrupted — Whenever Phyrexian Atlas becomes tapped, each opponent who has three or more poison counters loses 1 life. |
| Replicating Ring | 3 | Snow Artifact | {T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color." |
| The Mycosynth Gardens | Land — Sphere | {T}: Add {C}. {1}, {T}: Add one mana of any color. {X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X. | |
| Mad Science Fair Project | 3 | Artifact | {T}: Roll a six-sided die. On a 3 or lower, target player adds {C}. Otherwise, that player adds one mana of any color they choose. |