Cheapest priced copy (World Championship Decks 2001): $4.99 at Card Kingdom, near mint, their price list as of .
Mana Maze 
Enchantment · Rare · Invasion · #59
Players can't cast spells that share a color with the spell most recently cast this turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $4.99 to $64.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 59 | Rare | $5.99 | $64.99 |
| World Championship Decks 2001 | ab59sb | Rare | $4.99 | — |
2 rulings from Wizards of the Coast
- 4 October 2004Does not affect the first spell cast each turn.
- 4 October 2004If a spell’s color was changed while on the stack, use the color at the time it was when you started announcement, not as it currently is on the stack or as it was at the time it resolved.