Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
Abilities you activate that aren't mana abilities cost less to activate. This effect can't reduce the mana in that cost to less than one mana.
, : Target creature can't block this turn.

(As this Saga enters and after your draw step, add a lore counter.)
I — Exile target nonland permanent an opponent controls.
II — Return up to one other target nonland permanent to its owner's hand. Then each opponent discards a card.
III — Exile this Saga, then return it to the battlefield transformed under your control.

, : Search your library for a permanent card, put it onto the battlefield, then shuffle.

Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

This creature enters with a +1/+1 counter on it.
, Remove two +1/+1 counters from this creature: Destroy target artifact.
Whenever this creature attacks while saddled, put a +1/+1 counter on it.
Saddle 1

This land enters tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flash
Commander creatures you control get +2/+2.
Commanders you control have hexproof.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Whenever this creature or another nontoken Zombie you control dies, create a 2/2 black Zombie creature token.

Sacrifice an enchantment: You gain life equal to the sacrificed enchantment's mana value.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I — Destroy up to one target nonland permanent.
II, III — Each opponent loses 2 life.
IV — Create Galactus, a legendary 16/16 black Elder Alien creature token with flying, trample, and "Whenever Galactus attacks, destroy target land."

(: Add .)

Whenever you cast a creature spell, you may pay . If you do, return target creature to its owner's hand.

At the beginning of your upkeep, exile the top card of your library. You may play it this turn.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

You may sacrifice a nontoken green creature rather than pay this spell's mana cost.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Trample

When this creature enters, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

Whenever this creature attacks, each opponent loses 1 life.

During your turn, Yuna and enchantment creatures you control have trample, lifelink, and ward .
At the beginning of your end step, return up to one target enchantment card from your graveyard to the battlefield with a finality counter on it. (If a permanent with a finality counter on it would be put into a graveyard from the battlefield, exile it instead.)