Cheapest priced copy (Arabian Nights): $109.99 at Card Kingdom, near mint, their price list as of .
Ydwen Efreet 
Creature — Efreet · 3/6 · Rare · Arabian Nights · #44
Whenever this creature blocks, flip a coin. If you lose the flip, remove this creature from combat and it can't block this turn. Creatures it was blocking that had become blocked by only this creature this combat become unblocked.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $109.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Arabian Nights | 44 | Rare | $109.99 | — |
One ruling from Wizards of the Coast
- 1 October 2009The ability triggers any time Ydwen Efreet blocks.