Now, let me get you three counter examples of Commander that I think have two, but not all three, of these elements: Doran, the Siege Tower - Doran, the Siege Tower is a powerful swinger with a 5/5 beater on an 0/5 body
If they can't, they're looking at a minimum of adding 10+ power to your side of the board each turn
This niche slice of Magic interaction is handled well by graveyard shufflers, effects that shuffle a few cards from a graveyardor the entire thinginto a library
He is also very physically formidable
You might also need to get rid of a problematic creature such as Elesh Norn, Mother of Machines without worrying about the possibility that shell immediately be reanimated out of the graveyard
4 Goldspan Dragon While Xorn is a reliable source of mana ramp by increasing the number of tokens a Treasure deck can produce, Goldspan Dragon is a creature that improves the impact of each individual Treasure under its owner's control