Cheapest priced copy (Fate Reforged): $0.35 at Card Kingdom, near mint, their price list as of .
Jeskai Runemark 
Enchantment — Aura · Common · Fate Reforged · #37
Enchant creature
Enchanted creature gets +2/+2.
Enchanted creature has flying as long as you control a red or white permanent.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fate Reforged | 37 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 24 November 2014Whether a creature has flying is checked as blocking creatures are declared. Once the enchanted creature blocks or is blocked, losing flying won’t change or undo that block.