M:tG card similarity search
· Legendary Enchantment
Whenever an opponent casts their first spell each turn, counter that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Defiler of Instinct | 2RR | Creature — Phyrexian Kavu | First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target. 4/4 |
| Benalish Knight-Counselor | W | Creature — Human Knight | Enlist Whenever Benalish Knight-Counselor enlists a creature, you get a one-time boon with "When you cast a creature spell, that creature enters the battlefield with a +1/+1 counter on it." 2/1 |
| Mind's Dilation | 5UU | Enchantment | Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. |
| Sphinx's Decree | 1W | Sorcery | Each opponent can't cast instant or sorcery spells during that player's next turn. |
| Conduit of Worlds | 2GG | Artifact | You may play lands from your graveyard. {T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery. |
| Divert | U | Instant | Change the target of target spell with a single target unless that spell's controller pays {2}. |
| Merrow Bonegnawer | B | Creature — Merfolk Rogue | {T}: Target player exiles a card from their graveyard. Whenever you cast a black spell, you may untap Merrow Bonegnawer. 1/1 |
| Mystic Denial | 1UU | Instant | Counter target creature or sorcery spell. |
| Shimmer Myr | 3 | Artifact Creature — Myr | Flash You may cast artifact spells as though they had flash. 2/2 |
| Volo, Guide to Monsters | 2GU | Legendary Creature — Human Wizard | Whenever you cast a creature spell that doesn't share a creature type with a creature you control or a creature card in your graveyard, copy that spell. (A copy of a creature spell becomes a token.) 3/2 |