These are slightly different from draft boosters in a few ways
Scapeshift [Cash In Your Mana Base] Scapeshift turns a pile of lands into whatever your deck is actually trying to do
Being a song, Be Prepared does enjoy the benefit of using characters as its source of ink cost
Copies are not created for all creatures on the battlefield, and the affected creatures may be controlled by a different player than the controller of Mirrorwing Dragon
Blood Rite The Vampire deck stands out to me as the most relevant to supporting its corresponding type in a Cube, with meaningful support up and down the mana curve and notably offering some cheap white Vampires, which we really only see on Ixalan
In the game, you play as your own customizable Hero of Light character that can be any given job, wield any weapon, wear any armor, and more