M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Sewer Crocodile | 5U | Creature — Crocodile | {3}{U}: Sewer Crocodile can't be blocked this turn. This ability costs {3} less to activate if there are five or more mana values among cards in your graveyard. 4/6 |
| Imp's Mischief | 1B | Instant | Change the target of target spell with a single target. You lose life equal to that spell's mana value. |
| Dragon Breath | 1R | Enchantment — Aura | Enchant creature Enchanted creature has haste. {R}: Enchanted creature gets +1/+0 until end of turn. When a creature with mana value 6 or greater enters the battlefield, you may return Dragon Breath from your graveyard to the battlefield attached to that creature. |
| Death Mutation | 6BG | Sorcery | Destroy target nonblack creature. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value. |
| Seeds of Innocence | 1GG | Sorcery | Destroy all artifacts. They can't be regenerated. The controller of each of those artifacts gains life equal to its mana value. |
| Sickening Shoal | XBB | Instant — Arcane | You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn. |
| Jhoira, Ageless Innovator | UR | Legendary Creature — Human Artificer | {T}: Put two ingenuity counters on Jhoira, Ageless Innovator, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on Jhoira. 2/3 |
| Dance with Calamity | 7R | Sorcery | Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs. |
| Tariff | 1W | Sorcery | Each player sacrifices the creature they control with the highest mana value unless they pay that creature's mana cost. If two or more creatures a player controls are tied for highest, that player chooses one. |
| Fiend Artisan | B/GB/G | Creature — Nightmare | Fiend Artisan gets +1/+1 for each creature card in your graveyard. {X}{B/G}, {T}, Sacrifice another creature: Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Activate only as a sorcery. 1/1 |