FOILCheapest priced copy (Kamigawa: Neon Dynasty): $0.49 at Card Kingdom, near mint, their price list as of .
March of Wretched Sorrow 
Instant · Rare · Kamigawa: Neon Dynasty Promos · #111s
As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way.
March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kamigawa: Neon Dynasty | 111 | Rare | $0.49 | $0.79 |
| Kamigawa: Neon Dynasty | 380 | Rare | $1.29 | $1.99 |
| Kamigawa: Neon Dynasty | 457 | Rare | $0.79 | $0.99 |
| Kamigawa: Neon Dynasty Promos | 111p | Rare | $0.59 | $3.49 |
| Kamigawa: Neon Dynasty Promos | 111s | Rare | — | $1.29 |
2 rulings from Wizards of the Coast
- 18 February 2022The mana value of March of Wretched Sorrow while it's on the stack is the value chosen for X plus 1, no matter how much mana you actually paid to cast it.
- 18 February 2022You may exile more cards than necessary for March of Wretched Sorrow's first ability, but you can't reduce the mana it costs to less than {B} this way.