Droid Tri-Fighter

Flying.
When Droid Tri-Fighter enters the battlefield, create a tapped Powerstone token.
When Droid Tri-Fighter enters the battlefield, choose one:
• You get an emblem with "Battle Droid spells you cast cost {c} less to cast." and "Battle Droid artifact creatures you control gain +1/+1."
• Search your library for up to two Battle Droid artifact creature cards, and put them into your hand.