M.T.T. Tank

Crew 2 (tap 2 droid creatures: this vehicle becomes an artifact creature until end of you turn.)
Whenever this card becomes an artifact creature
create 2 1/1 colorless Battledroid creature tokens.
{3}: pay 1 life target a player, that player can search within his libary or graveyard after the spell deployment and cast it. If delpoyment was casteted
out of a graveyard exile it.