Cheapest priced copy (Commander 2021): $0.59 at Card Kingdom, near mint, their price list as of .
Surge to Victory 
Sorcery · Rare · Commander 2021 · #58
Exile target instant or sorcery card from your graveyard. Creatures you control get +X/+0 until end of turn, where X is that card's mana value. Whenever a creature you control deals combat damage to a player this turn, copy the exiled card. You may cast the copy without paying its mana cost.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $0.59 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2021 | 58 | Rare | $0.59 | — |
| Commander 2021 | 385 | Rare | $2.49 | — |
| Secrets of Strixhaven Commander | 256 | Rare | $0.59 | — |
4 rulings from Wizards of the Coast
- 16 April 2021If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X.
- 16 April 2021You cast the copies while the delayed triggered ability of Surge to Victory is resolving. Ignore any timing restrictions based on the copies' card types.
- 16 April 2021Copying the card doesn't cause magecraft abilities to trigger, although casting the copies does.
- 16 April 2021If you cast a spell "without paying its mana cost," you can't pay any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, you must pay those.