M:tG card similarity search
XGG · Sorcery
Each player may search their library for up to X creature cards, reveal those cards, put them into their hand, then shuffle.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Blightsteel Colossus | 12 | Artifact Creature — Phyrexian Golem | Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead. 11/11 | 
| Ancient Stirrings | G | Sorcery | Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order. | 
| Corpse Augur | 3B | Creature — Zombie Wizard | When Corpse Augur dies, you draw X cards and you lose X life, where X is the number of creature cards in target player's graveyard. 4/2 | 
| Death Denied | XBB | Instant — Arcane | Return X target creature cards from your graveyard to your hand. | 
| 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 | 
| Survivor of the Unseen | 2U | Creature — Human Wizard | Cumulative upkeep {2} (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.) {T}: Draw two cards, then put a card from your hand on top of your library. 2/1 | 
| Urborg Panther | 2B | Creature — Nightstalker Cat | {B}, Sacrifice Urborg Panther: Destroy target creature blocking Urborg Panther. Sacrifice a creature named Feral Shadow, a creature named Breathstealer, and Urborg Panther: Search your library for a card named Spirit of the Night, put that card onto the battlefield, then shuffle. 2/2 | 
| Lost Legacy | 1BB | Sorcery | Choose a nonartifact, nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. | 
| Nightshade Assassin | 2BB | Creature — Human Assassin | First strike When Nightshade Assassin enters the battlefield, you may reveal X black cards in your hand. If you do, target creature gets -X/-X until end of turn. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 2/1 | 
| Emergency Powers | 5WU | Instant | Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Emergency Powers. Addendum — If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield. |