Promise of Power
Mirrodin · 74/306 · Rare
$0.60 Near Mint market price (TCGplayer).
Promise of Power is card 74 of 306 in the Mirrodin set, released in October 2003. Its rarity is Rare. The artwork is by Kev Walker. Promise of Power has also been printed in 4 other sets, so check the set and number to compare like with like.