NR-N99 Tank Droid

Whenever NR-N99 Tank Droid enters the battlefield or attacks, create a 1/1 colorless Droid creature tokennamed Battle Droid
with "Sacrifice Battle Droid, it deals 1
damage to any target."
Crew 4 (Tap any number of creatures with
total power 3 or greater. NR-N99 Tank Droid becomes a creature until end of turn.)