M:tG card similarity search
2B · Sorcery
Search target player's library for a card and exile it. Then that player shuffles. Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Scour | 2WW | Instant | Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles. | 
| Feldon's Cane | 1 | Artifact | {T}, Exile Feldon's Cane: Shuffle your graveyard into your library. | 
| The Stone Brain | 2 | Legendary Artifact | {2}, {T}, Exile The Stone Brain: Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. Activate only as a sorcery. | 
| Ashiok, Dream Render | 1U/BU/B | Legendary Planeswalker — Ashiok | Spells and abilities your opponents control can't cause their controller to search their library. [−1]: Target player mills four cards. Then exile each opponent's graveyard. Loyalty 5 | 
| Mana Severance | 1U | Sorcery | Search your library for any number of land cards, exile them, then shuffle. | 
| Clear the Mind | 2U | Sorcery | Target player shuffles their graveyard into their library. Draw a card. | 
| Learn from the Past | 3U | Instant | Target player shuffles their graveyard into their library. Draw a card. | 
| Parallel Thoughts | 3UU | Enchantment | When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library. If you would draw a card, you may instead put the top card of the pile you exiled into your hand. | 
| Unmoored Ego | 1UB | Sorcery | Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. | 
| Visions | W | Sorcery | Look at the top five cards of target player's library. You may then have that player shuffle that library. |