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 |
|---|---|---|---|
| Voldaren Ambusher | 2R | Creature — Vampire Archer | When Voldaren Ambusher enters the battlefield, if an opponent lost life this turn, it deals X damage to up to one target creature or planeswalker, where X is the number of Vampires you control. 2/2 |
| Gandalf's Sanction | 1UR | Sorcery | Gandalf's Sanction deals X damage to target creature, where X is the number of instant and sorcery cards in your graveyard. Excess damage is dealt to that creature's controller instead. |
| Uncage the Menagerie | XGG | Sorcery | Search your library for up to X creature cards with different names that each have mana value X, reveal them, put them into your hand, then shuffle. |
| Read the Runes | XU | Instant | Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent. |
| Mycelic Ballad | 3B | Sorcery — Chorus | Starting intensity 2 Each player sacrifices X creatures and you gain X life, where X is this spell's intensity. All Chorus cards you own intensify by 1. |
| Errant Minion | 2U | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. Errant Minion deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |
| Minds Aglow | U | Sorcery | Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way. |
| Ossuary Rats | 5B | Creature — Rat | When Ossuary Rats enters the battlefield, it deals X damage to target creature or planeswalker an opponent controls, where X is the number of creature cards in your graveyard. 3/2 |
| Kaervek's Torch | XR | Sorcery | As long as Kaervek's Torch is on the stack, spells that target it cost {2} more to cast. Kaervek's Torch deals X damage to any target. |
| Distended Mindbender | 8 | Creature — Eldrazi Insect | Emerge {5}{B}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards. 5/5 |