M:tG card similarity search
1RR · Enchantment
{X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Pernicious Deed | 1BG | Enchantment | {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less. |
| Exocrine | X2R | Creature — Tyranid | Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Bio-plasmic Barrage — When Exocrine enters the battlefield, it deals X damage to each player and each other creature. 2/2 |
| Hisoka, Minamo Sensei | 2UU | Legendary Creature — Human Wizard | {2}{U}, Discard a card: Counter target spell if it has the same mana value as the discarded card. 1/3 |
| Black Sun's Twilight | XB | Instant | Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped. |
| All-Seeing Arbiter | 4UU | Creature — Avatar | Flying Whenever All-Seeing Arbiter enters the battlefield or attacks, draw two cards, then discard a card. Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard. 5/4 |
| Food Chain | 2G | Enchantment | Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells. |
| Calamitous Cave-In | 3R | Sorcery | Calamitous Cave-In deals X damage to each creature and each planeswalker, where X is the number of Caves you control plus the number of Cave cards in your graveyard. |
| Worldsoul's Rage | XRG | Sorcery | Worldsoul's Rage deals X damage to any target. Put up to X land cards from your hand and/or graveyard onto the battlefield tapped. |
| Ukkima, Stalking Shadow | 1UB | Legendary Creature — Whale Wolf | Partner with Cazur, Ruthless Stalker (When this creature enters the battlefield, target player may put Cazur into their hand from their library, then shuffle.) Ukkima, Stalking Shadow can't be blocked. When Ukkima leaves the battlefield, it deals X damage to target player and you gain X life, where X is its power. 2/2 |
| Arcbound Javelineer | W | Artifact Creature — Soldier | {T}, Remove X +1/+1 counters from Arcbound Javelineer: It deals X damage to target attacking or blocking creature. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.) 0/1 |