Unsustainable Legacy

(As this Saga enters and after your draw step, add a
lore counter. Sacrifice after IV.)
I: Create X 1/1 white Soldier creature tokens. If
X is 5 or greater, destroy all other creatures.
II: Create Legacy Castle, a legendary colorless
land token with "{t}: Create a Treasure token."
III: Tokens you control have "{t}, pay 1 life,
sacrifice this permanent: Draw a card." until end
of turn.
IV: Each player loses life equal to the number of
cards in their hand.