FOILCheapest priced copy (Core Set 2021): $0.49 at Card Kingdom, near mint, their price list as of .
Volcanic Salvo 
Sorcery · Rare · Core Set 2021 Promos · #172s
This spell costs {X} less to cast, where X is the total power of creatures you control.
Volcanic Salvo deals 6 damage to each of up to two target creatures and/or planeswalkers.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2021 | 172 | Rare | $0.49 | $0.49 |
| Core Set 2021 | 371 | Rare | $0.69 | $1.99 |
| Core Set 2021 Promos | 172p | Rare | $0.49 | $0.49 |
| Core Set 2021 Promos | 172s | Rare | — | $0.99 |
| Secrets of Strixhaven Commander | 259 | Rare | $0.49 | — |
6 rulings from Wizards of the Coast
- 23 June 2020You can't target the same creature or planeswalker twice with Volcanic Salvo to deal 12 damage to it.
- 23 June 2020The cost reduction applies only to generic mana in the cost of Volcanic Salvo. It can't reduce the {R}{R} requirement.
- 23 June 2020If a creature's power is somehow less than 0, it subtracts from the total power of your other creatures. If the total power of your creatures is 0 or less, the cost remains {10}{R}{R}.
- 23 June 2020To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of Volcanic Salvo). The mana value of the spell remains unchanged, no matter what the total cost to cast it was.
- 23 June 2020The total cost to cast Volcanic Salvo is locked in before you pay that cost. For example, if you control three 2/2 creatures, including one you can sacrifice to add {C}, the total cost is {4}{R}{R}. Then you can sacrifice the creature when you activate mana abilities just before paying the cost.
- 23 June 2020Once you begin to cast Volcanic Salvo, players can't take other actions until you've finished casting it. Notably, they can't try to change the total power of your creatures.