Powerstone
Token Artifact — Powerstone
: Add 
. This mana can't be spent to cast a nonartifact spell.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL
Token Artifact — Powerstone
: Add . This mana can't be spent to cast a nonartifact spell.