Cheapest priced copy (Modern Horizons 2): $0.49 at Card Kingdom, near mint, their price list as of .
Chance Encounter 
Enchantment · Rare · Odyssey · #182
Whenever you win a coin flip, put a luck counter on this enchantment.
At the beginning of your upkeep, if this enchantment has ten or more luck counters on it, you win the game.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.49 to $14.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 2 | 277 | Rare | $0.49 | $0.99 |
| Odyssey | 182 | Rare | $1.49Out of stock | $14.99 |
| The List | ODY-182 | Rare | $0.99 | — |
One ruling from Wizards of the Coast
- 1 February 2009You can only win a coin flip if you are the player flipping the coin. Your opponent losing a flip does not count as you winning one.