When Joshua enters, discard up to two cards, then draw that many cards.

3RW, T: Exile Joshua, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

//

Phoenix, Warden of Fire

[I] [II] Rising Flames — Phoenix deals 2 damage to each opponent.

[III] Flames of Rebirth — Return any number of target creature cards with total mana value 6 or less from your graveyard to the battlefield. Exile
Phoenix, then return it to the battlefield (front face up.)

Flying, lifelink

When Joshua enters, discard up to two cards, then draw that many cards.
, : Exile Joshua, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter.)
I, II — Rising Flames — Phoenix deals 2 damage to each opponent.
III — Flames of Rebirth — Return any number of target creature cards with total mana value 6 or less from your graveyard to the battlefield. Exile Phoenix, then return it to the battlefield (front face up).
Flying, lifelink