Magnetic Mountain (3ED) #163 [EN/N]

{1}{R}{R} · Enchantment · Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures. · Illustrated by Susan Van Camp · Revised Edition #163 · EDHREC rank 22770 · Magic: The Gathering, MTG