(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create two 1/1 white Human Soldier creature tokens.
II — Create two 2/2 red Human Knight creature tokens with trample and haste.
III — Put an indestructible counter on up to one target Human. You become the monarch.

Create two 1/1 white Human Soldier creature tokens. Humans you control gain haste until end of turn.

Flying, lifelink
Whenever another nontoken creature you control dies, return that card to its owner's hand at the beginning of the next end step.
If a creature an opponent controls would die, exile it instead.

Sliver creatures you control have "Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Mill two cards, then you may return a creature card from your graveyard to your hand.
III — Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

When this creature enters, you may return target card from your graveyard to your hand.

Choose a creature type. You gain 2 life for each permanent you control of that type.

Whenever another creature you control dies, you get an experience counter.
At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

: Add .
, , Sacrifice this land: Return target artifact card from your graveyard to your hand.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)
I — This Saga deals 2 damage to each creature and each opponent.
II — Discard any number of cards, then draw that many cards.
III — Create a 4/4 red Dragon creature token with flying.

This land enters tapped unless you control two or fewer other lands.
: Add or .

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Draw a card for each creature you control.
Ferocious — You gain 4 life for each creature you control with power 4 or greater.

Destroy target creature with total power and toughness 5 or less.

Flying
At the beginning of combat on your turn, if you've cast a noncreature spell this turn, surveil 1.
: Add .
, : Add one mana of any color.

Haste
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

You may have this artifact enter as a copy of any artifact on the battlefield.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

Other Merfolk you control get +1/+1.