Dive Man, Submerged Navi

Islandwalk, Ward: Sacrifice an island or {r},
Crew 3.
When Dive Man, Submerged Navi attacks deal 2 dammage target creature or player. If Dive Man, Submerged Navi was crewed, all non-basic lands
that player controls become basic islands untill
your next upkeep.
6/6