Blasphemous Act
Sorcery
This spell costs 
less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
- CMC
- 9
- Mana cost
- Color identity
- R
- Rarity
- rare
- Set
- Commander Legends: Battle for Baldur's Gate
- Price
- $1.83
- EDHREC rank
- #23
Blasphemous Act is the most reliable board wipe in Commander — it costs one red mana in a crowded game and hits every creature for 13 damage, which almost nothing survives. The one real trade-off is that damage-based wipes occasionally misfire against indestructible creatures or commanders like Jared Carthalion, True Heir that turn the damage into upside, but pairing it with Repercussion flips that liability into a kill condition.
Where It Shines
Where the extra mana on turn one matters most
Combos featuring Repercussion
Repercussion turns every point of Blasphemous Act's 13 damage into player damage, so a board with four creatures kills a 52-life opponent outright — the extra mana left over after resolving the Act lets you hold up a counterspell or stack another threat the same turn.
Combos featuring Toralf, God of Fury // Toralf's Hammer
Toralf, God of Fury redirects the excess damage from each creature Blasphemous Act overkills, cascading lethal damage across the table from a single spell — anything left in your mana pool after casting it at discount can fuel the Hammer side or another instant-speed response.
Big-mana shells like Sauron, the Dark Lord
Sauron, the Dark Lord and similar commanders that deploy early mana rocks benefit most from Blasphemous Act because the discount kicks in fastest when opponents have been forced to develop their own boards to keep up — one mana for a full reset while you sit on a developed position is a tempo win no other red wipe matches.
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 |
Commander is where Blasphemous Act lives — three or four opponents will almost always supply enough creatures to reduce it to one red mana, making it the go-to red board wipe at every power level. In Legacy and Vintage it's technically legal but barely sees play, because sorcery-speed creature sweepers can't compete with the format's faster, more efficient interaction. Modern has access to it but prefers instant-speed options or sweepers that leave token-makers intact, so Blasphemous Act sits on the fringe there at best. Pioneer and Standard players don't have access, and Pauper is off the table by rarity. Oathbreaker mirrors Commander's dynamic closely enough that the same logic applies — play it there freely.
Key Combos
Combo lines featuring this card
Fall of Cair AndrosBlasphemous Act
Infinite +1/+1 counters on a creature; Near-infinite damage to creatures
View combo details →
Expedited InheritanceBlasphemous Act
Each player may exile a portion of their library with the ability to play the exiled cards until the end of their next turn; Exile your library with the ability to play the exiled cards until the end of your next turn
View combo details →
Soulfire Grand MasterBlasphemous Act
Near-infinite lifegain; Near-infinite damage to creatures
View combo details →Price Context
Current price
$1.83 cheap tier
At $1.83, Blasphemous Act sits in the sweet spot where staple power meets throwaway budget — it's one of the highest-value pickups in red Commander at any price point. Widespread reprints have kept it there, so don't expect it to spike; just buy the copy you need.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.