M:tG card similarity search
U · Legendary Artifact
The Enigma Jewel enters the battlefield tapped. {T}: Add {C}{C}. Spend this mana only to activate abilities. Craft with four or more nonlands with activated abilities {8}{U} ({8}{U}, Exile this artifact, Exile the four or more from among other permanents you control and/or cards in your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Castle Sengir | Land | {T}: Add {C}. {1}, {T}: Add {B}. {2}, {T}: Add {U} or {R}. | |
| Koskun Keep | Land | {T}: Add {C}. {1}, {T}: Add {R}. {2}, {T}: Add {B} or {G}. | |
| Wizards' School | Land | {T}: Add {C}. {1}, {T}: Add {U}. {2}, {T}: Add {W} or {B}. | |
| Thopter Squadron | 5 | Artifact Creature — Thopter | Flying Thopter Squadron enters the battlefield with three +1/+1 counters on it. {1}, Remove a +1/+1 counter from Thopter Squadron: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only as a sorcery. {1}, Sacrifice another Thopter: Put a +1/+1 counter on Thopter Squadron. Activate only as a sorcery. 0/0 |
| Ritual of Subdual | 4GG | Enchantment | Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If a land is tapped for mana, it produces colorless mana instead of any other type. |
| Nyx Lotus | 4 | Legendary Artifact | Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.) |
| Inherited Envelope | 3 | Artifact | When Inherited Envelope enters the battlefield, the Ring tempts you. {T}: Add one mana of any color. |
| Roxanne, Starfall Savant | 3RG | Legendary Creature — Cat Druid | Whenever Roxanne, Starfall Savant enters the battlefield or attacks, create a tapped colorless artifact token named Meteorite with "When Meteorite enters the battlefield, it deals 2 damage to any target" and "{T}: Add one mana of any color." Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced. 4/3 |
| Altar of Bhaal | 1B | Artifact | {2}{B}, {T}, Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. |
| Cryptex | 2 | Artifact | {T}, Collect evidence 3: Add one mana of any color. Put an unlock counter on Cryptex. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) Sacrifice Cryptex: Surveil 3, then draw three cards. Activate only if Cryptex has five or more unlock counters on it. |