M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Disruption Protocol | UU | Instant | As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell. |
| Lilting Refrain | 1U | Enchantment | At the beginning of your upkeep, you may put a verse counter on Lilting Refrain. Sacrifice Lilting Refrain: Counter target spell unless its controller pays {X}, where X is the number of verse counters on Lilting Refrain. |
| Pact of Negation | 0 | Instant | Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game. |
| Spelljack | 3UUU | Instant | Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.) |
| Scent of Brine | 1U | Instant | Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way. |
| Jhoira, Weatherlight Captain | 2UR | Legendary Creature — Human Artificer | Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.) 3/3 |
| Venerated Rotpriest | G | Creature — Phyrexian Druid | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter. 1/2 |
| Suffocating Blast | 1UUR | Instant | Counter target spell and Suffocating Blast deals 3 damage to target creature. |
| Niv-Mizzet, Parun | UUURRR | Legendary Creature — Dragon Wizard | This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card. 5/5 |
| Repulsive Mutation | XGU | Instant | Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control. |