Ace, Fearless Rebel (Extended Art) [Doctor Who]

Cost: 3 G Nitro-9 — Whenever Ace, Fearless Rebel attacks, you may sacrifice an artifact. When you do, put a 1/ 1 counter on Ace, Fearless Rebel, then it fights up to one target creature defending player controls.
Doctor's companion (You can have two commanders if the other is the Doctor.) Wicked