M:tG card similarity search
1BG · Legendary Creature — Gorgon Assassin
Deathtouch Whenever a nontoken creature an opponent controls dies, you may pay {1}. If you do, return that card to the battlefield tapped under your control. It's a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color," and it loses all other card types. 3/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Relic of Legends | 3 | Artifact | {T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color. |
| Insidious Roots | BG | Enchantment | Creature tokens you control have "{T}: Add one mana of any color." Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control. |
| Keeper of Progenitus | 3G | Creature — Elf Druid | Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced. 1/3 |
| Mox Opal | 0 | Legendary Artifact | Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts. |
| Abandoned Outpost | Land | Abandoned Outpost enters the battlefield tapped. {T}: Add {W}. {T}, Sacrifice Abandoned Outpost: Add one mana of any color. | |
| Bog Wreckage | Land | Bog Wreckage enters the battlefield tapped. {T}: Add {B}. {T}, Sacrifice Bog Wreckage: Add one mana of any color. | |
| 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. | |
| 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. |