Gauntlet of Power

As this artifact enters, choose a color.
Creatures of the chosen color get +1/+1.
Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

EDHREC rank #2598

USD reference: $3.70 (~₱232.13) · Foil: $4.54 (~₱284.83)