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 |
|---|---|---|---|
| Horizon Stone | 5 | Artifact | If you would lose unspent mana, that mana becomes colorless instead. |
| Eye of Duskmantle | 5BB | Creature — Eye | Flying, lifelink You may play lands and cast spells from among cards in your graveyard you've surveilled this turn. If you cast a spell this way, you pay life equal to its mana value rather than paying its mana cost. 3/8 |
| Mogg Salvage | 2R | Instant | If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact. |
| Apex Observatory | Artifact | Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost. | |
| Rage Extractor | 4R/P | Artifact | ({R/P} can be paid with either {R} or 2 life.) Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell's mana value to any target. |
| Cave-In | 3RR | Sorcery | You may exile a red card from your hand rather than pay this spell's mana cost. Cave-In deals 2 damage to each creature and each player. |
| Jared Carthalion, True Heir | RGW | Legendary Creature — Human Warrior | When Jared Carthalion, True Heir enters the battlefield, target opponent becomes the monarch. You can't become the monarch this turn. If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it. 3/3 |
| Xander's Pact | 4BB | Sorcery | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.) Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost. |
| Widespread Thieving | 2R | Enchantment | Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you cast a multicolored spell, create a Treasure token. Then you may pay {W}{U}{B}{R}{G}. If you do, you may play the exiled card without paying its mana cost. |
| Etali, Primal Storm | 4RR | Legendary Creature — Elder Dinosaur | Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs. 6/6 |