M:tG card similarity search
1R · Instant
The owner of target artifact or creature with mana value 1 or greater shuffles it into their library. Then that player discovers X, where X is its mana value. (They exile cards from the top of their library until they exile a nonland card with that mana value or less. They cast it without paying its mana cost or put it into their hand. They put the rest on the bottom in a random order.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Great Defender | W | Instant | Target creature gets +0/+X until end of turn, where X is its mana value. |
| Spell Blast | XU | Instant | Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.) |
| Transmute Artifact | UU | Sorcery | Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle. |
| Spell Burst | XU | Instant | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell with mana value X. |
| Thieving Skydiver | 1U | Creature — Merfolk Rogue | Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.) Flying When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to Thieving Skydiver. 2/1 |
| Return to the Ranks | XWW | Sorcery | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Return X target creature cards with mana value 2 or less from your graveyard to the battlefield. |
| Keruga, the Macrosage | 3G/UG/U | Legendary Creature — Dinosaur Hippo | Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Keruga, the Macrosage enters the battlefield, draw a card for each other permanent you control with mana value 3 or greater. 5/4 |
| Firemind's Foresight | 5UR | Instant | Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle. |
| Runadi, Behemoth Caller | 2G | Legendary Creature — Cat Shaman | Whenever you cast a creature spell with mana value 5 or greater, that creature enters the battlefield with X additional +1/+1 counters on it, where X is its mana value minus 4. Creatures you control with three or more +1/+1 counters on them have haste. {T}: Add {G}. 1/3 |
| Immortal Servitude | XW/BW/BW/B | Sorcery | Return each creature card with mana value X from your graveyard to the battlefield. |