Cheapest priced copy (Double Masters 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Myth Realized 
Enchantment · Uncommon · The List · #2X2-22
Whenever you cast a noncreature spell, put a lore counter on this enchantment.
{2}{W}: Put a lore counter on this enchantment.
{W}: Until end of turn, this enchantment becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it."
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters 2022 | 22 | Uncommon | $0.35 | $0.49 |
| Dragons of Tarkir | 26 | Rare | $0.49 | $0.49 |
| Dragons of Tarkir Promos | 26s | Rare | — | $0.99Out of stock |
| The List | 2X2-22 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 25 February 2015Myth Realized can't attack the turn it enters the battlefield.
- 25 February 2015Activating the ability that turns Myth Realized into a creature while it's already a creature will override any effects that set its power or toughness to a specific value. Effects that modify power or toughness without directly setting them to a specific value will continue to apply.