Mightstone

Artifact

Attacking creatures get +1/+0.

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.

Illustrated by Pete Venters

Mightstone is on the reserved list, which means WOTC has self-imposed restrictions from making functional reprints of this card.