M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Dispel | U | Instant | Counter target instant spell. |
| Flash Counter | 1U | Instant | Counter target instant spell. |
| Mystic Snake | 1GUU | Creature — Snake | Flash When Mystic Snake enters the battlefield, counter target spell. 2/2 |
| Invoke Prejudice | UUUU | Enchantment | Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value. |
| Flashfreeze | 1U | Instant | Counter target red or green spell. |
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Ertai, Wizard Adept | 2U | Legendary Creature — Human Wizard | {2}{U}{U}, {T}: Counter target spell. 1/1 |
| Bring the Ending | 1U | Instant | Counter target spell unless its controller pays {2}. Corrupted — Counter that spell instead if its controller has three or more poison counters. |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Vex | 2U | Instant | Counter target spell. That spell's controller may draw a card. |