M:tG card similarity search
· Land
At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.
| Name | Mana | Type | Text |
|---|---|---|---|
| City of Ass | Land | City of Ass enters the battlefield tapped. {T}: Add one and one-half mana of any one color. | |
| Hell's Thunder | 1RR | Creature — Elemental | Flying, haste At the beginning of the end step, sacrifice Hell's Thunder. Unearth {4}{R} ({4}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 4/4 |
| Great Hall of the Citadel | Land | {T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells. | |
| Glistening Sphere | 3 | Artifact | Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters. |
| 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. |
| Crumbling Vestige | Land | Crumbling Vestige enters the battlefield tapped. When Crumbling Vestige enters the battlefield, add one mana of any color. {T}: Add {C}. ({C} represents colorless mana.) | |
| 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. | |
| Astrolabe | 3 | Artifact | {1}, {T}, Sacrifice Astrolabe: Add two mana of any one color. Draw a card at the beginning of the next turn's upkeep. |
| Mark of the Oni | 2B | Enchantment — Aura | Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni. |
| 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. |