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

I — Create a 1/1 green Human Monk creature token with "{T}: Add {G}."

II — Put a +1/+1 counter on each of up to two target creatures.

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

Flying

Whenever another creature enters the battlefield under your control, you may pay {X}. When you do, put X +1/+1 counters on that creature.

As long as you control five or more modified creatures, Remnant of the Rising Star gets +5/+5 and has trample. (Equipment, Auras you control, and counters are modifications.)