M:tG card similarity search
1U · Enchantment
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield, shuffle your library.
| Name | Mana | Type | Text |
|---|---|---|---|
| Kaho, Minamo Historian | 2UU | Legendary Creature — Human Wizard | When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle. {X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost. 2/2 |
| Demonic Collusion | 3BB | Sorcery | Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Search your library for a card, put that card into your hand, then shuffle. |
| Griffnaut Tracker | 3W | Creature — Human Detective | Flying When Griffnaut Tracker enters the battlefield, exile up to two target cards from a single graveyard. 3/2 |
| Thought-Knot Seer | 3C | Creature — Eldrazi | ({C} represents colorless mana.) When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card. When Thought-Knot Seer leaves the battlefield, target opponent draws a card. 4/4 |
| Shadowborn Apostle | B | Creature — Human Cleric | A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle. 1/1 |
| Mimeofacture | 3U | Sorcery | Replicate {3}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Choose target permanent an opponent controls. Search that player's library for a card with the same name and put it onto the battlefield under your control. Then that player shuffles. |
| Legacy Weapon | 7 | Legendary Artifact | {W}{U}{B}{R}{G}: Exile target permanent. If Legacy Weapon would be put into a graveyard from anywhere, reveal Legacy Weapon and shuffle it into its owner's library instead. |
| Queen's Agent | 5B | Creature — Vampire Scout | Lifelink When Queen's Agent enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.) 3/3 |
| Hostage Taker | 2UB | Creature — Human Pirate | When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/3 |
| Seek | WB | Instant | Search target opponent's library for a card and exile it. You gain life equal to its mana value. Then that player shuffles. |