M:tG card similarity search
3B · Creature — Horror
When Lurking Spinecrawler enters the battlefield, you may choose a nonland card in your hand. If you do, that card perpetually incorporates {1}{B} and gains "When you cast this spell, each opponent sacrifices a creature. Each opponent who can't discards a card." Whenever you cast a multicolored spell, for each of that spell's colors, each opponent loses 1 life and you gain 1 life. 5/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Breath of the Sleepless | 3U | Enchantment | You may cast Spirit spells as though they had flash. Whenever you cast a creature spell during an opponent's turn, tap up to one target creature. |
| Starscream, Power Hungry | 3B | Legendary Artifact Creature — Robot | More Than Meets the Eye {2}{B} (You may cast this card converted for {2}{B}.) Flying Whenever you draw a card, if you're the monarch, target opponent loses 2 life. Whenever one or more creatures deal combat damage to you, convert Starscream. 2/3 |
| Battery Bearer | 2GU | Creature — Human Artificer | Creatures you control have "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell." Whenever you cast an artifact spell with mana value 6 or greater, draw a card. 3/4 |
| Zenith Chronicler | 2 | Artifact Creature — Phyrexian Construct | Whenever a player casts their first multicolored spell each turn, each other player draws a card. 3/1 |
| The Ruinous Powers | 2BR | Enchantment | At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value. |
| Whispering Snitch | 1B | Creature — Vampire Rogue | Whenever you surveil for the first time each turn, Whispering Snitch deals 1 damage to each opponent and you gain 1 life. 1/3 |
| Elderfang Disciple | 1B | Creature — Elf Cleric | When Elderfang Disciple enters the battlefield, each opponent discards a card. 1/1 |
| Discover the Formula | 4UU | Instant | Seek three nonland cards, then nonland cards in your hand perpetually gain "This spell costs {1} less to cast." |
| Ichneumon Druid | 1GG | Creature — Human Druid | Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, Ichneumon Druid deals 4 damage to that player. 1/1 |
| Cackling Fiend | 2BB | Creature — Zombie | When Cackling Fiend enters the battlefield, each opponent discards a card. 2/1 |