M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Lullmage Mentor | 1UU | Creature — Merfolk Wizard | Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token. Tap seven untapped Merfolk you control: Counter target spell. 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 |
| Sleight of Mind | U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.) |
| Glamerdye | 1U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) |
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Jace's Defeat | 1U | Instant | Counter target blue spell. If it was a Jace planeswalker spell, scry 2. |
| Scatter Ray | 1U | Instant | Counter target artifact or creature spell unless its controller pays {4}. |
| Alter Reality | 1U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Empress Galina | 3UU | Legendary Creature — Merfolk Noble | {U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.) 1/3 |
| Kelpie Guide | 2U | Creature — Beast | {T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands. 2/2 |