Flying, vigilance

Flying

Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value.

Flying

Equipped creature has flying and "You can't lose the game and your opponents can't win the game."

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Flying

Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell's mana value.

Flying, vigilance

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

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

I — Mill three cards. Create a 1/1 colorless Spirit creature token.

II — Put a +1/+1 counter on target creature you control.

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