Intrepid Adversary Intrepid Adversary gives you an anthem that scales with the game since you have more mana to pay into the enters ability the later the game goes
In Standard, the Legendary Samurai slots into Midrange builds, and The Wandering Rescuer should perform well in Pioneer and Commander through Convoke builds
14 Yorion, Sky Nomad Do It All Again An incredibly versatile commander, Yorion cares about one thing only: enter the battlefield triggers
This list is a pretty rough sketch, but the thought of getting to experiment with Fires of Invention in this sort of space in Pioneer excites me
Brudiclad, Telchor Engineer Brudiclad, Telchor Engineer offers a lot of flexibility in how you utilize your tokens
Karador also needs some tutor effects to get key creatures into the graveyard or on the battlefield, such as Spore Frog to keep buying time or combo pieces