mortal kombat mtg cards Yuriko, The Tiger's Shadow Mileena Crossover Single and the dead piled high in the pits Mortal Kombat Chibi Deck –

You still need to put an artifact into play, and any artifact token will do, and pay the first to get a Servo

Roaming Throne synergizes quite well with the artifacts-matter pirates

Another rock solid creature

The same goes for sending permanents back to their owners hands or into their library

Even if you do have an Army, the absolute ceiling of this card is a 4-mana 5/5 Trampler and thats certainly efficient, but you have to keep in mind the times where you wont be able to crew it and you dont have an army

Training Regimen: the card is slow and would be better off being one of the earlier mentioned auras more often