Cheapest priced copy (Future Sight): $0.99 at Card Kingdom, near mint, their price list as of .
Pyromancer's Swath 
Enchantment · Rare · Future Sight · #104
If an instant or sorcery source you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.
At the beginning of each end step, discard your hand.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.99 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Future Sight | 104 | Rare | $0.99 | $4.49 |
| Modern Masters | 125 | Rare | $1.29 | $2.99 |
3 rulings from Wizards of the Coast
- 1 May 2007Pyromancer’s Swath doesn’t change the source or recipient of the damage.
- 1 May 2007If all damage from a source is prevented (because of Pay No Heed, for example) or if a source would deal 0 damage, the effect of Pyromancer’s Swath will not apply as that source is no longer dealing damage.
- 1 May 2007If damage is being dealt to multiple creatures and/or players at the same time, the damage being dealt to each one is increased by 2.