Terra, Magical Adept // Esper Terra

When Terra enters, mill five cards. Put up to one enchantment card milled this way into your hand.
Trance — , : Exile Terra, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter.)
I, II, III — Create a token that's a copy of target nonlegendary enchantment you control. It gains haste. If it's a Saga, put up to three lore counters on it. Sacrifice it at the beginning of your next end step.
IV — Add , , , , and . Exile Esper Terra, then return it to the battlefield (front face up).
Flying