M:tG card similarity search
2 · Artifact
{X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery.
| Name | Mana | Type | Text |
|---|---|---|---|
| Naiad of Hidden Coves | 2U | Enchantment Creature — Nymph | As long as it's not your turn, spells you cast cost {1} less to cast. 2/3 |
| Pain Seer | 1B | Creature — Human Wizard | Inspired — Whenever Pain Seer becomes untapped, reveal the top card of your library and put that card into your hand. You lose life equal to that card's mana value. 2/2 |
| Treacherous Greed | 1WB | Instant | As an additional cost to cast this spell, sacrifice a creature that dealt damage this turn. Draw three cards. Each opponent loses 3 life and you gain 3 life. |
| Muse Vessel | 4 | Artifact | {3}, {T}: Target player exiles a card from their hand. Activate only as a sorcery. {1}: Choose a card exiled with Muse Vessel. You may play that card this turn. |
| Queen Kayla bin-Kroog | 1RW | Legendary Creature — Human Noble | {4}, {T}: Discard all the cards in your hand, then draw that many cards. You may choose an artifact or creature card with mana value 1 you discarded this way, then do the same for artifact or creature cards with mana values 2 and 3. Return those cards to the battlefield. Activate only as a sorcery. 2/3 |
| Cryptic Gateway | 5 | Artifact | Tap two untapped creatures you control: You may put a creature card from your hand that shares a creature type with each creature tapped this way onto the battlefield. |
| Devil's Play | XR | Sorcery | Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Biophagus | 1G | Creature — Human Tyranid Wizard | Genomic Enhancement — {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. 1/3 |
| Klauth, Unrivaled Ancient | 5RG | Legendary Creature — Dragon | Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4 |
| Gruul Keyrune | 3 | Artifact | {T}: Add {R} or {G}. {R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn. |