Cost
Set	Antiquities
Type	Continuous Artifact
Text	All attacking creatures gain +1/+0.
Flavor	While exploring the sacred cave of Koilos with his brother Mishra and their master Tocasia, Urza fell behind in the Hall of Tagsin, where he discovered the remarkable Mightstone.
No.	0
Illust	Pete Venters
Editions	Antiquities (Uncommon)