This artifact enters with X void counters on it.
At the beginning of your upkeep, exile this artifact, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar.
, : Double the number of time counters on The Millennium Calendar.
When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

: Add for each card you've drawn this turn. Spend this mana only to cast noncreature spells.
Power-up — : Each player shuffles their hand and graveyard into their library, then draws seven cards. Put a +1/+1 counter on Immortus. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)

( can be paid with either or 2 life.)
Put target card from a graveyard on top of its owner's library.

Each player may bid life for control of target creature. You start the bidding with a bid of 0. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and gains control of the creature. (This effect lasts indefinitely.)

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

Cast this spell only during combat on an opponent's turn.
Prevent all combat damage that would be dealt to you and planeswalkers you control this turn. Untap all attacking creatures and goad them. After this phase, there is an additional combat phase.

Counter target spell.

This land enters tapped unless you control two or more other lands.
: Add or .

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

: Draw a card for each Ally you control.

Target player shuffles up to three target cards from their graveyard into their library.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

At the beginning of your end step, put a +1/+1 counter on each creature you control. Untap those creatures.

Counter target creature spell.
Draw a card.

Permanents you control with counters on them gain hexproof and indestructible until end of turn. Prevent all damage that would be dealt to those permanents this turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

+2: Create two 0/1 black Thrull creature tokens.
+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.
−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.
Tevesh Szat, Doom of Fools can be your commander.
Partner

Return all land cards from your graveyard to the battlefield tapped.

(As this Saga enters and after your draw step, add a lore counter.)
I — Create a 2/2 red Goblin Shaman creature token with "Whenever this token attacks, create a Treasure token."
II — You may discard up to two cards. If you do, draw that many cards.
III — Exile this Saga, then return it to the battlefield transformed under your control.