Flying
At the beginning of your upkeep, sacrifice Chisei unless you remove a counter from a permanent you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — This Saga gains ": Add ."
II — This Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'"
III — Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle.

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

This creature enters with X +1/+1 counters on it.
: Put a +1/+1 counter on this creature.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

This artifact enters with a +1/+1 counter, a flying counter, a deathtouch counter, and a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)
Whenever a creature you control enters, you may move a counter from this artifact onto that creature.
, Sacrifice this artifact: Draw a card.

Landfall — Whenever a land you control enters, create a 5/5 red and green Elemental creature token.
Whenever Omnath or another Elemental you control dies, Omnath deals 3 damage to any target.

Destroy all creatures with no counters on them.

, Sacrifice this artifact: Add one mana of any color.

This land enters tapped.
: Add .
Graft 1 (This land enters with a +1/+1 counter on it. Whenever a creature enters, you may move a +1/+1 counter from this land onto it.)

Defender, flying
, : Put a +1/+1 counter on each creature with a tail target player controls. Stare down up to one target creature until end of turn. (It can't attack or block as long as you're looking directly at it.)

Flash
Lifelink
When this creature enters, exile up to one other target creature. That creature's controller gains life equal to its power.
Evoke—Exile a white card from your hand.

When this creature enters, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
, : You may put an Equipment card from your hand onto the battlefield.

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Enchant creature
Enchanted creature gets +3/+3.
Whenever enchanted creature deals combat damage to a player, double its controller's life total.

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Add one mana of any color in your commander's color identity.

As Throne of Eldraine enters, choose a color.
: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color.
, : Draw two cards. Spend only mana of the chosen color to activate this ability.

At the beginning of your upkeep, change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.