M:tG card similarity search
3 · Artifact
Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| Pyre Hound | 3R | Creature — Elemental Dog | Trample Whenever you cast an instant or sorcery spell, put a +1/+1 counter on Pyre Hound. 2/3 |
| Baleful Mastery | 3B | Instant | You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker. |
| Quash | 2UU | Instant | Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles. |
| Thief of Sanity | 1UB | Creature — Specter | Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2 |
| The Mirari Conjecture | 4U | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Return target instant card from your graveyard to your hand. II — Return target sorcery card from your graveyard to your hand. III — Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. |
| Thermo-Alchemist | 1R | Creature — Human Shaman | Defender {T}: Thermo-Alchemist deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist. 0/3 |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Bottled Cloister | 4 | Artifact | At the beginning of each opponent's upkeep, exile all cards from your hand face down. At the beginning of your upkeep, return all cards you own exiled with Bottled Cloister to your hand, then draw a card. |
| Leonin Lightscribe | 1W | Creature — Cat Cleric | Magecraft — Whenever you cast or copy an instant or sorcery spell, creatures you control get +1/+1 until end of turn. 2/2 |
| Spelldrain Assassin | UBR | Creature — Vampire Assassin | When Spelldrain Assassin enters the battlefield, choose an instant or sorcery card in your hand. It perpetually gains casualty 2. 3/3 |