Magic: the Gathering is a collectible card game created by Richard Garfield. In Magic, you play the role of a planeswalker who fights other planeswalkers for glory, knowledge, and conquest. Your deck of cards represents all the weapons in your arsenal. It contains the spells you know and the creatures you can summon to fight for you. Card Name : Unwinding Clock Cost : 4 Color : Artifact Card Type : Artifact Card Text : Untap all artifacts you control during each other player's untap step.