Boseiju, Who Endures

{t}: Add {g}.
Channel - {1}{g}, Discard Boseiju, Who Endures:
Destroy target artifact, enchantment, or nonbasic
land an opponent controls. That player may search
their library for a land card with a basic land type,
put it onto the battlefield, then shuffle. This ability
costs {1} less to activate for each legendary creature
you control.
The Arashikage are masters of mystical arts