Knollspine Invocation
Enchantment
, Discard a card with mana value X: This enchantment deals X damage to any target.
- CMC
- 3
- Mana cost
- Color identity
- R
- Rarity
- rare
- Set
- Shadowmoor
- Price
- $0.29
- EDHREC rank
- #29022
Knollspine Invocation turns any red damage source into a repeatable hand-refill engine — pay X red mana equal to the damage dealt, draw that many cards. The cost is real: it eats your mana every time and does nothing the turn it lands, making it dead weight in any deck that can't reliably point damage at opponents every single turn.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Knollspine Invocation is a Commander card — the longer game, larger life totals, and multi-opponent damage math make activation totals large enough to justify the enchantment's slow setup. In Legacy and Vintage it's theoretically legal but practically invisible: those formats move too fast for a do-nothing enchantment that costs three mana before drawing a single card. Oathbreaker can support it in aggressive red builds with the right planeswalker, but the smaller deck size and faster games shrink the window. Stick to Commander, specifically in red decks that already plan to deal large chunks of damage to multiple opponents in a single turn.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.29 bulk tier
At $0.29, Knollspine Invocation is pure bulk — easy to pick up without touching your budget. The price is stable floor territory; it sees enough Commander play in dedicated red damage builds to stay in print demand, but never enough to spike.
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Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.