Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Cast this spell only during combat.
Return target creature card from your graveyard to the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.
You may put a creature card from your hand onto the battlefield. That creature gains haste. Its controller sacrifices it at the beginning of the next end step.

Flying, hexproof
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When this creature is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Reach
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
, Discard this card: Search your library for a basic land card or a Desert card, reveal it, put it into your hand, then shuffle. You gain 3 life.

First strike
When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.

When this creature enters, return target nonland permanent to its owner's hand.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Destroy target creature. Its controller loses 2 life and you gain 2 life.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy all lands.
II, III — Each player returns two land cards from their graveyard to the battlefield.

When this creature enters, you become the monarch.
Whenever this creature and another creature attack different players, this creature can't be blocked this combat.

Put target creature into its owner's library second from the top.

Vigilance
: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

At the beginning of your upkeep, you gain 2 life.
Whenever you gain life, you may pay . If you do, draw a card and each opponent loses 1 life.
At the beginning of your upkeep, if Oloro is in the command zone, you gain 2 life.

Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Trample
Whenever this creature deals combat damage to a player, create that many 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add ."

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Other creatures you control have intimidate.
Whenever Vela or another creature you control leaves the battlefield, each opponent loses 1 life.

This creature attacks each combat if able.
: This creature gets +1/+0 until end of turn. ( can be paid with one mana from a snow source.)

Exile all creatures.

+2: During target player's next turn, each creature that player controls attacks if able.
−2: Rowan Kenrith deals 3 damage to each tapped creature target player controls.
−8: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."
Partner with Will Kenrith
Rowan Kenrith can be your commander.

Flying
When Ryusei dies, it deals 5 damage to each creature without flying.

End the turn. (Exile all spells and abilities, including this spell. The player whose turn it is discards down to their maximum hand size. Damage heals and "this turn" and "until end of turn" effects end.)

Each creature card in your graveyard has unearth . (: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

: Draw three cards.
: Return Arcanis to its owner's hand.

: This creature gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

When this creature dies, create four 1/1 green Insect creature tokens.

Other Snake creatures you control get +2/+2.
Whenever a Snake you control deals combat damage to a player, you may draw a card.

Create two 3/3 green Insect creature tokens. You gain 2 life.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Trample
When this creature enters, if it isn't a token, create two tokens that are copies of it.
When this creature dies, put a number of +1/+1 counters equal to its power on each creature you control named Gruff Triplets.

When this creature enters, you gain 5 life.

Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

+1: Return up to one target creature card from your graveyard to your hand.
−3: Destroy target creature. Its controller loses 2 life.
−7: Target opponent loses 2 life for each creature card in their graveyard.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Flying

Target player draws four cards.

When this creature leaves the battlefield, create a 2/2 black Zombie creature token.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this creature enters, you draw two cards and you lose 2 life.

Flash (You may cast this spell any time you could cast an instant.)
Reach
When this creature enters, creatures target player controls get +2/+2 until end of turn. Untap them.