Magmatic Chasm
Sorcery
Creatures without flying can't block this turn.
- CMC
- 2
- Mana cost
- Color identity
- R
- Rarity
- common
- Set
- Shadows over Innistrad
- Price
- $0.05
- EDHREC rank
- #17663
Magmatic Chasm makes all creatures without flying unable to block until end of turn — effectively clearing the way for an alpha strike on the same turn you cast it. One red mana for a one-sided pseudo-Fog on defense is a real rate, but it's a blank when you're behind and does nothing to advance your board.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | legal |
| oathbreaker | legal |
In Commander, Magmatic Chasm is a finisher-enabler in go-wide red and red-adjacent aggro builds — cast it the turn you're swinging for lethal to neutralize blockers across three opponents at once. Outside Commander, it sees essentially no competitive play: in formats like Modern, Pioneer, and Legacy, a one-mana sorcery that doesn't affect the board state or advance your clock is too low-impact against the speed and interaction density of those fields. Pauper is the one non-Commander format where it's at least theoretically slotable in a Red Deck Wins shell, though Trumpet Blast effects that also pump are almost always better. Vintage and Legacy have the card pool to ignore it entirely.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.05 bulk tier
At $0.05, Magmatic Chasm is deep bulk — you're paying essentially nothing for it and that's appropriate given how narrow its role is. It won't hold or gain value, but there's no reason to pay more than a dime for a copy if the effect fits your deck.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.