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 |
|---|---|---|---|
| Instrument of the Bards | G | Legendary Artifact | At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards. {3}{G}, {T}: Search your library for a creature card with mana value equal to the number of harmony counters on Instrument of the Bards, reveal it, and put it into your hand. If that card is legendary, create a Treasure token. Then shuffle. |
| Mana-Charged Dragon | 4RR | Creature — Dragon | Flying, trample Join forces — Whenever Mana-Charged Dragon attacks or blocks, each player starting with you may pay any amount of mana. Mana-Charged Dragon gets +X/+0 until end of turn, where X is the total amount of mana paid this way. 5/5 |
| Damnable Pact | XBB | Sorcery | Target player draws X cards and loses X life. |
| Parting Thoughts | 2B | Sorcery | Destroy target creature. You draw X cards and you lose X life, where X is the number of counters on that creature. |
| Clockwork Gnomes | 4 | Artifact Creature — Gnome | {3}, {T}: Regenerate target artifact creature. 2/2 |
| Geosurge | RRRR | Sorcery | Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells. |
| Arcum Dagsson | 3U | Legendary Creature — Human Artificer | {T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle. 2/2 |
| Sanguine Sacrament | XWW | Instant | You gain twice X life. Put Sanguine Sacrament on the bottom of its owner's library. |
| All-Seeing Arbiter | 4UU | Creature — Avatar | Flying Whenever All-Seeing Arbiter enters the battlefield or attacks, draw two cards, then discard a card. Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard. 5/4 |
| Skyfire Kirin | 2RR | Legendary Creature — Kirin Spirit | Flying Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn. 3/3 |