(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Exile target permanent an opponent controls with mana value 3 or greater.
Noncreature spells your opponents cast cost more to cast until your next turn.
Return target creature or planeswalker card from your graveyard to the battlefield. Put a +1/+1 counter or a loyalty counter on it.

When this creature enters, you may search your library and/or graveyard for a card named Elspeth, Undaunted Hero, reveal it, and put it into your hand. If you search your library this way, shuffle.

Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.

Enchant planeswalker
Enchanted planeswalker has "+1: Create three 1/1 white Soldier creature tokens."
Whenever you activate a loyalty ability of enchanted planeswalker, creatures you control get +2/+2 and gain vigilance until end of turn.

: Prevent the next 1 damage that would be dealt to any target this turn. If it's a green creature, prevent the next 2 damage instead.

Flying
When this creature enters, return a permanent you control to its owner's hand.

Prevent the next 4 damage that would be dealt this turn to any number of targets, divided as you choose.
Flashback

Whenever another creature enters, you may stand up and say in a deep, booming voice, "Presenting..." and that creature's name. If you do, put a +1/+1 counter on that creature.

Return target creature card from your graveyard to the battlefield. You gain 3 life.

Target creature you control gains protection from the color of your choice until end of turn.
Rebound

Destroy target nonland permanent. Its controller creates a Lander token.

When this creature enters, put a +1/+1 counter on target creature. You gain 1 life.

Flying
Landfall — Whenever a land you control enters, you may create a 1/1 white Bird creature token with flying.

Flying, vigilance
When this creature enters, put a +1/+1 counter on it for each creature in your party. (Your party consists of up to one of each Cleric, Rogue, Warrior, and Wizard.)

Flying
Landfall — Whenever a land you control enters, you may return target nonland permanent card from your graveyard to your hand. If that land is a Plains, you may return that nonland permanent card to the battlefield instead.

Create two 4/4 white Angel Warrior creature tokens with flying. Non-Angel creatures you control gain indestructible until your next turn.

When this creature enters, target player creates a 1/1 white and black Inkling creature token with flying. Then if an opponent controls more creatures than you, this creature becomes prepared.

: Exile another target creature you control, then return it to the battlefield under its owner's control.
Whenever another creature you control enters, you may pay . If you do, put a +1/+1 counter on it. If it's a Unicorn, put two +1/+1 counters on it instead.

Flying
Whenever this creature deals combat damage to a player, you gain 1 life for each artifact that player controls.

First strike
When this creature enters, it explores.

Flying
When this creature enters, if a creature died this turn, create a 1/1 white Spirit creature token with flying.

Target opponent skips all combat phases of their next turn.

This creature has protection from the colors of permanents you control.