Cheapest priced copy (Streets of New Capenna Promos): $0.49 at Card Kingdom, near mint, their price list as of .
Corpse Explosion 
Sorcery · Rare · Streets of New Capenna · #435
As an additional cost to cast this spell, exile a creature card from your graveyard.
Corpse Explosion deals damage equal to the exiled card's power to each creature and each planeswalker.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $1.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Streets of New Capenna Promos | 179p | Rare | $0.49 | $0.99 |
| Streets of New Capenna Promos | 179s | Rare | — | $1.29 |
| Streets of New Capenna | 179 | Rare | $0.49 | $0.49 |
| Streets of New Capenna | 435 | Rare | $0.49 | $0.49 |
2 rulings from Wizards of the Coast
- 29 April 2022Once you have begun to cast Corpse Explosion, there is no point at which players can respond by removing cards from your graveyard to prevent you from being able to pay for it with a specific creature card.
- 29 April 2022Use the card's power as it last existed in the graveyard to determine how much damage is dealt.