M:tG card similarity search
4UU · Instant
Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost. Exile Command the Chaff.
| Name | Mana | Type | Text |
|---|---|---|---|
| HELIOS One | Land | {T}: Add {C}. {1}, {T}: You get {E} (an energy counter). {3}, {T}, Pay X {E}, Sacrifice HELIOS One: Destroy target nonland permanent with mana value X. Activate only as a sorcery. | |
| Kaleidoscorch | 1R | Sorcery | Converge — Kaleidoscorch deals X damage to any target, where X is the number of colors of mana spent to cast this spell. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Vraska, the Silencer | 1BG | Legendary Creature — Gorgon Assassin | Deathtouch Whenever a nontoken creature an opponent controls dies, you may pay {1}. If you do, return that card to the battlefield tapped under your control. It's a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color," and it loses all other card types. 3/3 |
| Valentin, Dean of the Vein | B | Legendary Creature — Vampire Warlock | Menace, lifelink If a nontoken creature an opponent controls would die, exile it instead. When you do, you may pay {2}. If you do, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." 1/1 |
| Oros, the Avenger | 3RWB | Legendary Creature — Dragon | Flying Whenever Oros, the Avenger deals combat damage to a player, you may pay {2}{W}. If you do, Oros deals 3 damage to each nonwhite creature. 6/6 |
| Interplanar Beacon | Land | Whenever you cast a planeswalker spell, you gain 1 life. {T}: Add {C}. {1}, {T}: Add two mana of different colors. Spend this mana only to cast planeswalker spells. | |
| Haunted Library | 1W | Enchantment | Whenever a creature an opponent controls dies, you may pay {1}. If you do, create a 1/1 white Spirit creature token with flying. |
| Bubbling Muck | B | Sorcery | Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}. |
| Doom Whisperer | 3BB | Creature — Nightmare Demon | Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) 6/6 |
| Thought Scour | U | Instant | Target player mills two cards. Draw a card. |