Trample
Other Dinosaurs you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

: Exile target land card from a graveyard. Add one mana of any color. (Activate only as an instant.)
, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.
, : Exile target creature card from a graveyard. You gain 2 life.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create an 8/8 blue Kraken creature token with hexproof.
II — Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step.
III — Gain control of target permanent an opponent controls. Untap it.

: You may return another creature you control to its owner's hand. If you do, this creature gains indestructible until end of turn.

Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life.

(: Add .)

When this creature enters, you may search your library for a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
Sacrifice this creature: Your opponents can't cast noncreature spells this turn.

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

(: Add .)

First strike; legendary landwalk (This creature can't be blocked as long as defending player controls a legendary land.)

If you control a commander, you may cast this spell without paying its mana cost.
Creatures you control gain indestructible until end of turn.

At the beginning of your upkeep, you may put a charge counter on this artifact.
: You may put a creature card with mana value equal to the number of charge counters on this artifact from your hand onto the battlefield.

, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Exile all permanents. Exile all cards from all hands and graveyards. Each player's life total becomes 1.

Counter target blue instant spell.

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost.
Destroy target artifact.

At the beginning of combat on your turn, choose a kind of counter at random that this creature doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, and +1/+1. Put a counter of that kind on this creature.

, : The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice instead.

Whenever another legendary permanent you control enters, put a +1/+1 counter on Yoshimaru.
Partner (You can have two commanders if both have partner.)

When you cast this spell, destroy target permanent.
Indestructible
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)
When Ulamog is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.