Cheapest priced copy (Eventide): $0.35 at Card Kingdom, near mint, their price list as of .
Chaotic Backlash 
Instant · Uncommon · Eventide · #49
Chaotic Backlash deals damage to target player equal to twice the number of white and/or blue permanents they control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eventide | 49 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 August 2008Each permanent is counted only once. For example, if the targeted player controls a white creature, a blue enchantment, and a white-blue creature, Chaotic Backlash will deal 6 damage to that player.