Cheapest priced copy (Masters 25): $0.35 at Card Kingdom, near mint, their price list as of .
Kindle 
Instant · Common · Tempest · #184
Kindle deals X damage to any target, where X is 2 plus the number of cards named Kindle in all graveyards.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Masters 25 | 140 | Common | $0.35 | $0.49 |
| Tempest | 184 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 16 March 2018Because Kindle is still on the stack as you perform its instructions, it isn't in your graveyard and won't add to the amount of damage dealt.