M:tG card similarity search
5BB · Creature — Dragon Horror
Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value. 6/6
| Name | Mana | Type | Text | 
|---|---|---|---|
| Letter of Acceptance | 3 | Artifact | {T}: Add one mana of any color. {2}, {T}, Sacrifice Letter of Acceptance: Draw a card. | 
| Sunforger | 3 | Artifact — Equipment | Equipped creature gets +4/+0. {R}{W}, Unattach Sunforger: Search your library for a red or white instant card with mana value 4 or less and cast that card without paying its mana cost. Then shuffle. Equip {3} | 
| Celestial Kirin | 2WW | Legendary Creature — Kirin Spirit | Flying Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value. 3/3 | 
| Stormkeld Prowler | 1U | Creature — Human Rogue | Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler. 2/1 | 
| Illusory Angel | 2U | Creature — Angel Illusion | Cast this spell only if you've cast another spell this turn. Flying 4/4 | 
| Lost Hours | 1B | Sorcery | Target player reveals their hand. You choose a nonland card from it. That player puts that card into their library third from the top. | 
| Lost Vale | Land | (Transforms from Dowsing Dagger.) {T}: Add three mana of any one color. | |
| Gilded Lotus | 5 | Artifact | {T}: Add three mana of any one color. | 
| Spectral Arcanist | 3U | Creature — Spirit Wizard | Flying When Spectral Arcanist enters the battlefield, you may cast an instant or sorcery spell with mana value less than or equal to the number of Spirits you control from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 3/2 | 
| Syndicate Heavy | 2W/BW/B | Creature — Giant Rogue | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) At the beginning of each end step, if you gained 4 or more life this turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 4/4 |