When Assaultron Dominator enters the battlefield, you get {E}{E} (two energy counters). Whenever an artifact creature you control attacks, you may pay {E}. If you do, put your choice of a +1/+1, first strike, or trample counter on that creature.
NM-Mint Foil - $1.90
Lightly Played Foil - $1.80
Moderately Played Foil - $1.60
Heavily Played Foil - $1.40
Damaged Foil - $1.00
NM-Mint Foil Non English - $1.90
Lightly Played Foil Non English - $1.80
Moderately Played Foil Non English - $1.60
Heavily Played Foil Non English - $1.40
Damaged Foil Non English - $1.00