M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Study Hall | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game. | |
| Chromatic Orrery | 7 | Legendary Artifact | You may spend mana as though it were mana of any color. {T}: Add {C}{C}{C}{C}{C}. {5}, {T}: Draw a card for each color among permanents you control. |
| Wall of Roots | 1G | Creature — Plant Wall | Defender Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn. 0/5 |
| Captivating Crossroads | Land | During your first three turns of the game, Captivating Crossroads enters the battlefield tapped if you were the starting player. As Captivating Crossroads enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Throne of Eldraine | 5 | Legendary Artifact | As Throne of Eldraine enters the battlefield, choose a color. {T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color. {3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability. |
| Gravestone Strider | 2 | Artifact Creature — Golem | {1}: Add one mana of any color. Activate only once each turn. {2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. 1/3 |
| City of Brass | Land | Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color. | |
| Runaway Steam-Kin | 1R | Creature — Elemental | Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin. Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}. 1/1 |
| Awakened Skyclave | Creature — Elemental | Vigilance, haste As long as Awakened Skyclave is on the battlefield, it's a land in addition to its other types. {T}: Add one mana of any color. 4/4 | |
| Manaforge Cinder | B/R | Creature — Elemental Shaman | {1}: Add {B} or {R}. Activate no more than three times each turn. 1/1 |