M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Hall of Gemstone | 1GG | World Enchantment | At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color. |
| Harabaz Druid | 1G | Creature — Human Druid Ally | {T}: Add X mana of any one color, where X is the number of Allies you control. 0/1 |
| Mirrex | Land — Sphere | {T}: Add {C}. {T}: Add one mana of any color. Activate only if Mirrex entered the battlefield this turn. {3}, {T}: Create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.) | |
| Pit of Offerings | 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. | |
| Nyx | Plane — Theros | Nontoken creatures are enchantments in addition to their other types. Constellation — Whenever an enchantment enters the battlefield under your control, you gain 1 life. Whenever chaos ensues, choose a color. Add an amount of mana of that color equal to your devotion to that color. | |
| Smokebraider | 1R | Creature — Elemental Shaman | {T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals. 1/1 |
| Bounty Board | 3 | Artifact | {T}: Add one mana of any color. {1}, {T}: Put a bounty counter on target creature. Activate only as a sorcery. Whenever a creature with a bounty counter on it dies, each of its controller's opponents draws a card and gains 2 life. |
| Luck Bobblehead | 3 | Artifact — Bobblehead | {T}: Add one mana of any color. {1}, {T}: Roll X six-sided dice, where X is the number of Bobbleheads you control. Create a tapped Treasure token for each even result. If you rolled 6 exactly seven times, you win the game. |
| Forsaken Crossroads | Land | Forsaken Crossroads enters the battlefield tapped. As Forsaken Crossroads enters the battlefield, choose a color. When Forsaken Crossroads enters the battlefield, scry 1. If you weren't the starting player, you may untap Forsaken Crossroads instead. {T}: Add one mana of the chosen color. | |
| Hall of Oracles | Land | {T}: Add {C}. {1}, {T}: Add one mana of any color. {T}: Put a +1/+1 counter on target creature. Activate only as a sorcery and only if you've cast an instant or sorcery spell this turn. |