Krake-Atosh, Fear of the Seas

Islandwalk, trample, menace (This creature can't
be blocked except by two or more creatures.)
Whenever Krake'Atosh, Fear of the Seas deals
combat damage to a player, that player sacrifice a Vehicle.
Whenever a player sacrifice a Vihicle, that player
also sacrifice a creatures for each point of crew
the Vehicle has. (If the Vehicle has Crew 3, its
controler sacrifice three creatures.)
Vehicle spells cost {2} less to cast.
"Release the Krake-Atosh!"