M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Undersimplify | 1U | Instant | Choose target spell. If it's a creature spell, it perpetually gets -2/-0. Counter that spell unless its controller pays {2}. |
| Psychic Strike | 1UB | Instant | Counter target spell. Its controller mills two cards. |
| Izzet Steam Maze | Plane — Ravnica | Whenever a player casts an instant or sorcery spell, that player copies it. The player may choose new targets for the copy. Whenever chaos ensues, instant and sorcery spells you cast this turn cost {3} less to cast. | |
| Mercurial Geists | 2UR | Creature — Spirit | Flying Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn. 1/3 |
| Burnout | 1R | Instant | Counter target instant spell if it's blue. Draw a card at the beginning of the next turn's upkeep. |
| Precursor Golem | 5 | Artifact Creature — Golem | When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems. 3/3 |
| Hydromorph Gull | 3UU | Creature — Elemental Bird | Flying {U}, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control. 3/3 |
| Minamo's Meddling | 2UU | Instant | Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell. |
| Kindred Denial | 2UU | Instant | Counter target spell. Seek a card with the same mana value as that spell. |
| Gelectrode | 1UR | Creature — Weird | {T}: Gelectrode deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap Gelectrode. 0/1 |