A 5/5 with flying that costs two colorless is nifty in itself, but it also draws when cards die
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as a flashback cost), add any cost increases (such as kicker costs), then apply any cost reductions (such as that of Cid's first ability)
Since then, Wizards has maintained various B&R lists for their major formats: Standard, Modern, Legacy, and Vintage
Godo, Bandit Warlord Godo, Bandit Warlord is best known for its ability to end games by itself in conjunction with Helm of the Host, to the point where even cEDH decks are built to revolve around this combo
You can imagine the strength in Brago Commander decks with having Yorion, Sky Nomad on a stick