Grow your army, draw cards, or deal a ton of damage to your opponent
If you play mana dorks like Llanowar Elves and Elvish Mystic, you can count on having a 1/1 without the adventure
Even the Tarmogoyf gets a Cosmogoyf version
Every turn, you roll a die and bam , you might jump to some wild place in th e Doctor Who universe or trigger some crazy effect
Gallery and List of Powerstone Cards Arbalest Engineers Argothian Opportunist Ashnod, Flesh Mechanist Cityscape Leveler Excavation Explosion Fallaji Excavation Geology Enthusiast Gix's Caress Great Desert Prospector Hall of Tagsin Horned Stoneseeker Junkyard Genius Karn, Living Legacy Koilos Roc Mishra, Lost to Phyrexia Powerstone Engineer Repair and Recharge Sarinth Greatwurm Sibling Rivalry Slagstone Refinery Splitting the Powerstone Static Net Stern Lesson Stone Retrieval Unit Terisiare's Devastation The Brothers' War The Mana Rig Thran Spider Urza, Powerstone Prodigy Urza's Command Visions of Phyrexia Wreck Hunter Note that The Mightstone and Weakstone also has the powerstone subtype, but isn't an artifact token