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 |
|---|---|---|---|
| Gravebane Zombie | 3B | Creature — Zombie | If Gravebane Zombie would die, put Gravebane Zombie on top of its owner's library instead. 3/2 |
| Cranial Archive | 2 | Artifact | {2}, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card. |
| Thrasios, Triton Hero | GU | Legendary Creature — Merfolk Wizard | {4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card. Partner (You can have two commanders if both have partner.) 1/3 |
| Saprazzan Outrigger | 3U | Creature — Merfolk | When Saprazzan Outrigger attacks or blocks, put it on top of its owner's library at end of combat. 5/5 |
| Sifter Wurm | 5GG | Creature — Wurm | Trample When Sifter Wurm enters the battlefield, scry 3, then reveal the top card of your library. You gain life equal to that card's mana value. 7/7 |
| Lagrella, the Magpie | GWU | Legendary Creature — Human Soldier | When Lagrella, the Magpie enters the battlefield, exile any number of other target creatures controlled by different players until Lagrella leaves the battlefield. When an exiled card enters the battlefield under your control this way, put two +1/+1 counters on it. 2/3 |
| Bioplasm | 3GG | Creature — Ooze | Whenever Bioplasm attacks, exile the top card of your library. If it's a creature card, Bioplasm gets +X/+Y until end of turn, where X is the exiled creature card's power and Y is its toughness. 4/4 |
| Witch's Cottage | Land — Swamp | ({T}: Add {B}.) Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps. When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library. | |
| Echo of Eons | 4UU | Sorcery | Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Hidetsugu, Devouring Chaos | 3B | Legendary Creature — Ogre Demon | {B}, Sacrifice a creature: Scry 2. {2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target. 4/4 |