(As this Saga enters and after your draw step, add a lore counter.)

[I] Starting with you, each player chooses up to one permanent with mana value 3 or greater from among permanents your opponents control. Exile those permanents.

[II] You may have target opponent draw three cards. If you do, draw three cards.

[III] Exile this Saga, then return it to the battlefield transformed under your control.

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Avatar Yangchen

Flying

Whenever you cast your second spell each turn, airbend up to one other target nonland permanent. (Exile it. While it's exiled, its owner may cast it for 2 rather than its mana cost.)