M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Broken Ambitions | XU | Instant | Counter target spell unless its controller pays {X}. Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) |
| Mirrorwing Dragon | 3RR | Creature — Dragon | Flying Whenever a player casts an instant or sorcery spell that targets only Mirrorwing Dragon, that player copies that spell for each other creature they control that the spell could target. Each copy targets a different one of those creatures. 4/5 |
| Errant, Street Artist | U | Legendary Creature — Human Rogue | Flash Defender, haste {1}{U}, {T}: Copy target spell you control that wasn't cast. You may choose new targets for the copy. 0/3 |
| Stinging Lionfish | 1U | Enchantment Creature — Fish | Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent. 2/1 |
| Vernal Equinox | 3G | Enchantment | Any player may cast creature and enchantment spells as though they had flash. |
| Thrull Wizard | 2B | Creature — Thrull Wizard | {1}{B}: Counter target black spell unless that spell's controller pays {B} or {3}. 1/1 |
| Radiant Performer | 3RR | Creature — Human Wizard | Flash When Radiant Performer enters the battlefield, if you cast it from your hand, choose target spell or ability that targets only a single permanent or player. Copy that spell or ability for each other permanent or player the spell or ability could target. Each copy targets a different one of those permanents and players. 2/2 |
| Siren Stormtamer | U | Creature — Siren Pirate Wizard | Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control. 1/1 |
| Opaline Sliver | 1WU | Creature — Sliver | All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card." 2/2 |
| Cankerous Thirst | 3B/G | Instant | If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.) |