M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Pale Moon | 1U | Instant | Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type. |
| Kinnan, Bonder Prodigy | GU | Legendary Creature — Human Druid | Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced. {5}{G}{U}: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order. 2/2 |
| Rogue Class | UB | Enchantment — Class | (Gain the next level as a sorcery to add its ability.) Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled. {1}{U}{B}: Level 2 Creatures you control have menace. {2}{U}{B}: Level 3 You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells. |
| Oath of Nissa | G | Legendary Enchantment | When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You may spend mana as though it were mana of any color to cast planeswalker spells. |
| Rainbow Crow | 3U | Creature — Bird | Flying {1}: Rainbow Crow becomes the color of your choice until end of turn. 2/2 |
| Oaken Siren | 1U | Artifact Creature — Siren Pirate | Flying, vigilance {T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. 1/2 |
| Alseid of Life's Bounty | W | Enchantment Creature — Nymph | Lifelink {1}, Sacrifice Alseid of Life's Bounty: Target creature or enchantment you control gains protection from the color of your choice until end of turn. 1/1 |
| Harsh Judgment | 2WW | Enchantment | As Harsh Judgment enters the battlefield, choose a color. If an instant or sorcery spell of the chosen color would deal damage to you, it deals that damage to its controller instead. |
| Tidal Visionary | U | Creature — Merfolk Wizard | {T}: Target creature becomes the color of your choice until end of turn. 1/1 |
| Aven Liberator | 2WW | Creature — Bird Soldier | Flying Morph {3}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Aven Liberator is turned face up, target creature you control gains protection from the color of your choice until end of turn. 2/3 |