Flying, haste
The Will of the Hive Mind — Other creatures you control with counters on them have flying and haste.

At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Sacrifice this creature: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library."

Affinity for Knights (This spell costs less to cast for each Knight you control.)
Creatures you control get +1/+1.
Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance.
, : Create a 2/2 white Knight creature token with vigilance.

: Add one mana of any color in your commander's color identity.

Flying
: This creature gets +1/+0 until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I, II, III — Create a 3/3 black Wraith creature token with menace. The Ring tempts you.
IV — For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn. The Ring tempts you.

Whenever a creature you control deals combat damage to a player, you may draw a card.
Cycling (, Discard this card: Draw a card.)

When Wernog, Rider's Chaplain enters or leaves the battlefield, each opponent may investigate. Each opponent who doesn't loses 1 life. You investigate X times, where X is one plus the number of opponents who investigated this way.
Partner—Friends forever (You can have two commanders if both have this ability.)

First strike
When this creature enters, exile target instant or sorcery card from an opponent's graveyard. You may cast it this turn, and mana of any type can be spent to cast that spell. If that spell would be put into a graveyard, exile it instead.

Destroy all nonenchantment creatures.

(: Add .)

This artifact enters tapped.
: Add .

When this creature enters, target opponent loses 2 life and you gain 2 life.

You have no maximum hand size.
At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game.
: Draw a card.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Search your library for a card, put that card into your hand, then shuffle.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
This land enters tapped.
: Add .
, : You may play the exiled card without paying its mana cost if each player has no cards in hand.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

: Add . Activate only if you control five or more lands.

Soldier spells you cast cost less to cast.
Soldier creatures you control get +1/+2.