As far as a commander to make Agent of the Iron Throne into a background, theres once again Abdel Adrian, Gorions Ward for making Soldier tokens
In longer games, especially in Commander, Teferis 3 ability shows why time magic is terrifying
Final Showdown Destroying all creatures is strong, but what if you can do that at instant speed
Since the exile ability uses the stack, you can also respond with Brought Back to reanimate things before the trigger resolves
Or you can have combos with Aetherflux Reservoir and Mystic Forge, which allow you to draw and play a bunch of cards, and repeat the process until the Reservoir kills everyone
Fang, Vanille, & Ragnarok from Final Fantasy XIII On their own, Fang and Vanille are decent creatures