M:tG card similarity search
1U · Instant
Counter target spell if its mana value is less than or equal to the highest mana value among permanents you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Signature Spells | 4UU | Enchantment | When Signature Spells enters the battlefield, seek two instant and/or sorcery cards with mana value 3, then exile them. At the beginning of your upkeep, you may copy a card exiled with Signature Spells. You may cast the copy without paying its mana cost. |
| Nahiri's Wrath | 2R | Sorcery | As an additional cost to cast this spell, discard X cards. Nahiri's Wrath deals damage equal to the total mana value of the discarded cards to each of up to X target creatures and/or planeswalkers. |
| Ghitu Embercoiler | 1R | Creature — Human Wizard | Prowess At the beginning of your precombat main phase, you may discard a card. If you do, seek a card with greater mana value and exile it. Until the end of your next turn, you may play the exiled card. 2/2 |
| Rushed Rebirth | BG | Instant | Choose target creature. When that creature dies this turn, search your library for a creature card with lesser mana value, put it onto the battlefield tapped, then shuffle. |
| Pale Moon | 1U | Instant | Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type. |
| Scrap Trawler | 3 | Artifact Creature — Construct | Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value. 3/2 |
| Lonis, Cryptozoologist | GU | Legendary Creature — Snake Elf Scout | Whenever another nontoken creature enters the battlefield under your control, investigate. {T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order. 1/2 |
| Sanguine Spy | 2B | Creature — Vampire Rogue | Menace, lifelink {1}, Sacrifice another creature: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) At the beginning of your end step, if there are five or more mana values among cards in your graveyard, you may pay 2 life. If you do, draw a card. 2/3 |
| Douse | 2U | Enchantment | {1}{U}: Counter target red spell. |
| Disciple of Deceit | UB | Creature — Human Rogue | Inspired — Whenever Disciple of Deceit becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle. 1/3 |