Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Knollspine Invocation

1RR · Enchantment

{X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.

Similar cards

Color identity:
NameManaTypeText
Chamber Sentry XArtifact Creature — Construct Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. {X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target. {W}{U}{B}{R}{G}: Return Chamber Sentry from your graveyard to your hand. 0/0
Winter Blast XGSorcery Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.
Chord of Calling XGGGInstant Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.
Mind Warp X3BSorcery Look at target player's hand and choose X cards from it. That player discards those cards.
Wargate XGWUSorcery Search your library for a permanent card with mana value X or less, put it onto the battlefield, then shuffle.
Mystic Genesis 2GUUInstant Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value.
Monstrous Onslaught 3GGSorcery Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.
Hatchery Spider 5GGCreature — Spider Reach Undergrowth — When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard. You may put a green permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order. 5/7
Cloudkill 4BBSorcery All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Confront the Past XBSorcery — Lesson Choose one — • Return target planeswalker card with mana value X or less from your graveyard to the battlefield. • Remove twice X loyalty counters from target planeswalker an opponent controls.
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