The Landlubber, Journey’s End

Fortify legendary land {3} ({3} Attach to target legendary land you control. Fortify only as a sorcery.
This card enters the battlefield unattached and stays
on the battlefield if the land leaves.)
Once per turn, whenever mana generated by fortified land is used to cast a historic spell, put
a tale counter on The Landlubber.
Legendary creatures you control get +1/+1 for
each tale counter on The Landlubber.