M:tG card similarity search
3B · Creature — Nightmare
Mutate {2}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Deathtouch Whenever this creature mutates, each opponent loses X life and you gain X life, where X is the number of times this creature has mutated. 3/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Prosperity | XU | Sorcery | Each player draws X cards. |
| Sanctum of Calm Waters | 3U | Legendary Enchantment — Shrine | At the beginning of your precombat main phase, you may draw X cards, where X is the number of Shrines you control. If you do, discard a card. |
| Ob Nixilis of the Black Oath | 3BB | Legendary Planeswalker — Nixilis | [+2]: Each opponent loses 1 life. You gain life equal to the life lost this way. [−2]: Create a 5/5 black Demon creature token with flying. You lose 2 life. [−8]: You get an emblem with "{1}{B}, Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power." Ob Nixilis of the Black Oath can be your commander. Loyalty 3 |
| Welding Sparks | 2R | Instant | Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control. |
| Crypt Rats | 2B | Creature — Rat | {X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X. 1/1 |
| Nightmare Incursion | 5B | Sorcery | Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles. |
| Hellfire | 2BBB | Sorcery | Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way. |
| Explosion | XUURR | Instant | Explosion deals X damage to any target. Target player draws X cards. |
| Gnostro, Voice of the Crags | 1URW | Legendary Creature — Chimera | {T}: Choose one. X is the number of spells you've cast this turn. • Scry X. • Gnostro, Voice of the Crags deals X damage to target creature. • You gain X life. 3/3 |
| Finale of Revelation | XUU | Sorcery | Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation. |