Name:Gem Bazaar
ManaCost:no cost
Types:Land
K:ETBReplacement:Other:ChooseColor
SVar:ChooseColor:DB$ ChooseColor | Random$ True | SpellDescription$ As CARDNAME enters the battlefield, choose a color at random.
A:AB$ Mana | Cost$ T | Produced$ Chosen | SubAbility$ ChooseColor | SpellDescription$ Add one mana of the chosen color. Then choose a color at random.
Oracle:As Gem Bazaar enters the battlefield, choose a color at random.\n{T}: Add one mana of the chosen color. Then choose a color at random.