Cheapest priced copy (Return to Ravnica): $0.35 at Card Kingdom, near mint, their price list as of .
Pyroconvergence 
Enchantment · Uncommon · Return to Ravnica · #103
Whenever you cast a multicolored spell, this enchantment deals 2 damage to any target.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Return to Ravnica | 103 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 October 2012The hybrid spells in the Return to Ravnica set are multicolored, even if you cast them with one color of mana.
- 1 October 2012The triggered ability will resolve and Pyroconvergence will deal damage before that spell resolves.