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 |
|---|---|---|---|
| Flame Burst | 1R | Instant | Flame Burst deals X damage to any target, where X is 2 plus the number of cards named Flame Burst in all graveyards. |
| Kindle | 1R | Instant | Kindle deals X damage to any target, where X is 2 plus the number of cards named Kindle in all graveyards. |
| Kaervek's Purge | XBR | Sorcery | Destroy target creature with mana value X. If that creature dies this way, Kaervek's Purge deals damage equal to the creature's power to the creature's controller. |
| Eldritch Evolution | 1GG | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution. |
| Giant Secrets | XUU | Instant — Adventure | Conjure X random cards from Giant Secrets's spellbook into your hand. |
| Reverse Polarity | WW | Instant | You gain X life, where X is twice the damage dealt to you so far this turn by artifacts. |
| Galvanic Bombardment | R | Instant | Galvanic Bombardment deals X damage to target creature, where X is 2 plus the number of cards named Galvanic Bombardment in your graveyard. |
| Runecarved Obelisk | 4 | Artifact | {T}: Add {C}{C}. Put two charge counters on Runecarved Obelisk. {T}, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk. |
| Molder | XG | Instant | Destroy target artifact or enchantment with mana value X. It can't be regenerated. You gain X life. |
| The Ultimate Nightmare of Wizards of the Coast® Customer Service | XYZRR | Sorcery | The Ultimate Nightmare of Wizards of the Coast® Customer Service deals X damage to each of Y target creatures and Z target players or planeswalkers. |