Consider the Power 9 First up in any valuation and list building for MTG, you're going to have to make a call on how you handle the "Power 9"
I'm going to go out on a limb and say that anything more than three mana is too much mana for library manipulation in Commander
Second, once an Aura with bestow is on the battlefield, if the enchanted creature leaves the battlefield, the Aura stops being an Aura, it loses enchant creature, it becomes an enchantment creature, and it stays on the battlefield
Remember to claim them before the event starts
You can use this card to get infinite turns, infinite mana, infinite 'comes into play' triggers, infinite Storm count, and the list goes on
Its also worth noting that while the starter decks all offer different gameplay styles, if youre a more casual fan just looking to enjoy a Disney card game, theres nothing wrong with picking a starter deck based on whether it has your favourite Disney characters in it