M:tG card similarity search
4 · Artifact
{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.
| Name | Mana | Type | Text |
|---|---|---|---|
| Guardian of Ghirapur | 2W | Creature — Angel | Flying When Guardian of Ghirapur enters the battlefield, exile up to one other target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step. 3/3 |
| Keldon Flamesage | 2R | Creature — Human Shaman | Enlist Whenever Keldon Flamesage attacks, look at the top X cards of your library, where X is Keldon Flamesage's power. You may exile an instant or sorcery card with mana value X or less from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. 2/3 |
| Petra Sphinx | 2WWW | Creature — Sphinx | {T}: Target player chooses a card name, then reveals the top card of their library. If that card has the chosen name, that player puts it into their hand. If it doesn't, the player puts it into their graveyard. 3/4 |
| Sins of the Past | 4BB | Sorcery | Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past. |
| Retrieve | 2G | Sorcery | Return up to one target creature card and up to one target noncreature permanent card from your graveyard to your hand. Exile Retrieve. |
| Underrealm Lich | 3BG | Creature — Zombie Elf Shaman | If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard. Pay 4 life: Underrealm Lich gains indestructible until end of turn. Tap it. 4/3 |
| Sigarda, Font of Blessings | 2GW | Legendary Creature — Angel | Flying Other permanents you control have hexproof. You may look at the top card of your library any time. You may cast Angel spells and Human spells from the top of your library. 4/4 |
| Thassa's Oracle | UU | Creature — Merfolk Wizard | When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3 |
| Colossal Rattlewurm | 2GG | Creature — Wurm | Colossal Rattlewurm has flash as long as you control a Desert. Trample {1}{G}, Exile Colossal Rattlewurm from your graveyard: Search your library for a Desert card, put it onto the battlefield tapped, then shuffle. 6/5 |
| Enshrined Memories | XG | Sorcery | Reveal the top X cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order. |