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 |
|---|---|---|---|
| Loam Larva | 1G | Creature — Insect | When Loam Larva enters the battlefield, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. 1/3 |
| Killer Instinct | 4RG | Enchantment | At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step. |
| Doors of Durin | 3RG | Legendary Artifact | Whenever you attack, scry 2, then you may reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking. Until your next turn, it gains trample if you control a Dwarf and hexproof if you control an Elf. |
| Leashling | 6 | Artifact Creature — Dog | Put a card from your hand on top of your library: Return Leashling to its owner's hand. 3/3 |
| Lobelia, Defender of Bag End | 2B | Legendary Creature — Halfling Citizen | When Lobelia enters the battlefield, look at the top card of each opponent's library and exile those cards face down. {T}, Sacrifice an artifact: Choose one — • Until end of turn, you may play a card exiled with Lobelia without paying its mana cost. • Each opponent loses 2 life and you gain 2 life. 2/2 |
| Portcullis | 4 | Artifact | Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield. |
| Herald's Horn | 3 | Artifact | As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand. |
| Abundance | 2GG | Enchantment | If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order. |
| Realm Razer | 3RGW | Creature — Beast | When Realm Razer enters the battlefield, exile all lands. When Realm Razer leaves the battlefield, return the exiled cards to the battlefield tapped under their owners' control. 4/2 |
| Trickery Charm | U | Instant | Choose one — • Target creature gains flying until end of turn. • Target creature becomes the creature type of your choice until end of turn. • Look at the top four cards of your library, then put them back in any order. |