M:tG card similarity search
WW · Instant
Put target nonland historic permanent into its owner's library fourth from the top. (Artifacts, legendaries, and Sagas are historic.)
| Name | Mana | Type | Text | 
|---|---|---|---|
| Chaos Orb | 2 | Artifact | {1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb. | 
| Liliana's Influence | 4BB | Sorcery | Put a -1/-1 counter on each creature you don't control. You may search your library and/or graveyard for a card named Liliana, Death Wielder, reveal it, and put it into your hand. If you search your library this way, shuffle. | 
| Time Spiral | 4UU | Sorcery | Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands. | 
| Sadistic Sacrament | BBB | Sorcery | Kicker {7} (You may pay an additional {7} as you cast this spell.) Search target player's library for up to three cards, exile them, then that player shuffles. If this spell was kicked, instead search that player's library for up to fifteen cards, exile them, then that player shuffles. | 
| Night Dealings | 2BB | Enchantment | Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings. {2}{B}{B}, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle. | 
| Boon of Boseiju | 1G | Instant | Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it. | 
| Fertilid's Favor | 3G | Instant | Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles. Put two +1/+1 counters on up to one target artifact or creature. | 
| Nissa Revane | 2GG | Legendary Planeswalker — Nissa | [+1]: Search your library for a card named Nissa's Chosen, put it onto the battlefield, then shuffle. [+1]: You gain 2 life for each Elf you control. [−7]: Search your library for any number of Elf creature cards, put them onto the battlefield, then shuffle. Loyalty 2 | 
| Sphinx of Clear Skies | 3UU | Creature — Sphinx | Flying, ward {2} Domain — Whenever Sphinx of Clear Skies deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.) 5/5 | 
| Centrifuge | Artifact — Attraction | Visit — Each player draws a card from the library of the player to their right. You create three Treasure tokens. |