M:tG card similarity search
· Land — Cave
Pit of Offerings enters the battlefield tapped. When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards. {T}: Add {C}. {T}: Add one mana of any of the exiled cards' colors.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Conduit Pylons | Land — Desert | When Conduit Pylons enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color. | |
| Obsidian Obelisk | 2 | Artifact | Obsidian Obelisk enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. | 
| Cryptic Spires | Land | As you create your deck, circle two of the colors below. Cryptic Spires enters the battlefield tapped. {T}: Add one mana of either of the circled colors. | |
| Firemind Vessel | 4 | Artifact | Firemind Vessel enters the battlefield tapped. {T}: Add two mana of different colors. | 
| Grand Coliseum | Land | Grand Coliseum enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Grand Coliseum deals 1 damage to you. | |
| Aether Hub | Land | When Aether Hub enters the battlefield, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color. | |
| 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 | 
| Crystal Grotto | Land | When Crystal Grotto enters the battlefield, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color. | |
| Inherited Envelope | 3 | Artifact | When Inherited Envelope enters the battlefield, the Ring tempts you. {T}: Add one mana of any color. | 
| Quirion Sentinel | 1G | Creature — Elf Druid | When Quirion Sentinel enters the battlefield, add one mana of any color. 2/1 |