The Miracle of Sound

The Miracle of Sound's power is equal to the number of level counters on him.
At the beginning of your end step, if you control a saga, gain 2 life.
Level up {W}{B}{G}
LEVEL 1-5: */5, At the beginning of your end step, if you control a saga, gain 5 life.
LEVEL 6+: */7, At the beginning of your end step, gain 5 life for each saga you control.

Susie Lavoie, the Wallflower

Riot
Skulk
At the beginning of your upkeep, proliferate.
{I}Iron Maiden{/I} {-} At the beginning of combat on your turn, you may move any number of frenzy counters from other creatures you control onto Susie. Then, if there are 20 or more frenzy counters on Susie, you may remove all counters from Susie and the next player she does combat damage to this turn loses the game.
Partner {-} Legion

Sheogorath, Prince of Madness

Hexproof, Indestructible
When this card transforms into Sheogorath, create a food token.
{2}, {T}, Transform another target permanent you control with two sides.

Jyggalag, Prince of Order

Haste, Reach, Vigilance
Vanishing 3
All lands lose all land types and abilities and gain "{T}, Add {C}".
{B}{U}{G}: Remove a time counter from Jyggalag.
When the last time counter is removed from Jyggalag, transform it.

Jyggalag, Prince of Order // Sheogorath, Prince of Madness

Nomu Kid, Little Rockstar

Flash
Whenever a chapter of a saga you control resolves, you get a song counter.
{T} Gain an amount of life equal to the number of song counters you have. Add an amount of {G} equal to half that number.

AM, Cogito Ergo Sum

Afflict 1
Whenever a player is dealt non-combat damage, that player gains a hate counter.
Whenever a player is dealt non-combat damage, they take an additional X damage, where X is the number of hate counters they have.

Anna, the Huntress

Intimidate
Anna enters with seven hatchet counters on her.
{2}, Remove a hatchet counter from Anna: Anna deals 2 damage to any target.
{X}: Place X hatchet counters on Anna.
Anna, the Huntress may have no more than eight hatchet counters on her at a given time.

Philip Ojomo, the Wraith

Flash, Menace
If Philip Ojomo is phased out, you may phase him in at any time.
{0}: Phase out Philip Ojomo, the Wraith. This ability can only be activated once per turn.
{I}Surprise attack{/I} {-} If Philip Ojomo phases in during combat, he does damage equal to his power to any target creature.

Frank Morrison, the Leader

Riot
{3}: Put a frenzy counter on target creature you control.
{I}Feral Frenzy{/I} {-} Creatures you control with frenzy counters on them can attack up to two targets each combat.
Partner {-} Legion

Saint Jiub, the Eradicator

Reach, First Strike
When Jiub transforms, you may put a flying counter on target creature an opponent controls.
As long as an opponent controls a creature with flying, Jiub has hexproof and indestructible.
Whenever Jiub attacks, put a flying counter on target creature or destroy target creature with flying.
On your end step, if there are no creatures with flying on the battlefield, sacrifice Jiub.

Jiub, Imperial Prisoner

*Wake Up* - Whenever an opponent exiles a creature you control, return that creature to the battlefield at the beginning of the end step of your next turn. 
{W}{W}{W}: Transform Jiub.

Jiub, Imperial Prisoner // Saint Jiub, the Eradicator

HUX, the Singularity

Devoid
Menace
Protection from Humans
At the beginning of your first main phase, put a slipstream counter on target creature an opponent controls.
Whenever a creature with a slipstream counter on it attacks, HUX deals X damage to that creature, where X is the number of slipstream counters on it. {flavor} {I} “It will be fast. Possibly painless.” {/I}

Adiris, the Plague

Wither, Menace
At the beginning of your pre-combat main phases each creature gets a plague counter.
Adiris gets +0/+1 for each plague counter on her.
All other creatures get -0/-1 for each plague counter on them.

Evan MacMillan, the Trapper

Menace
At the beginning of your upkeep, create a Beartrap token. {I}(It's an artifact with "Whenever a non-flying creature an opponent controls attacks you, you may tap and sacrifice this artifact. If you do, that creature takes 2 damage and is removed from combat. Beartraps do not untap on your untap step."){/I}
You may have no more than eight Beartrap tokens at a time.

Adriana Imai, the Skull Merchant

Menace
When Adriana enters, target up to X creatures.
Whenever a spell or ability you control targets one or more creatures, put a lock-on counter on those creatures.
Whenever a creature with a lock-on counter on it dies, you may move any number of lock-on counters from that creature to its controller. Then, create a 1/1 colorless Thopter artifact Creature token with flying.
Whenever one or more thopters you control deal combat damage to an opponent, that player takes additional damage equal to the number of lock-on counters they have.

Max Thompson Jr, the Hillbilly

Menace
Whenever Max Thompson attacks, put a rev counter on him.
Max Thompson gets +1/+0 for each rev counter on him.
If Max Thompson attacks while he has 10 rev counters on him, remove all but one rev counters from him, destroy target creature an opponent controls, and Max Thompson becomes unblockable until end of turn.

Julie Kostenko, the Disciple

Riot
First Strike
Whenever an opponent sacrifices a creature, put a frenzy counter on Julie.
{I}Discordance{/I} {-} Creatures with frenzy counters on them get +1/+0 for each counter they have.
Partner {-} Legion

The Penitent One

Undying
Whenever one or more +1/+1 counters are placed on The Penitent One, remove those counters and give each player a guilt counter. Players can only receive one guilt counter each turn.
The Penitent One gets +1/+0 for each guilt counter you have.
Whenever The Penitent One does combat damage to an opponent, if that player has thirteen or more guilt counters, remove all guilt counters from yourself and they lose the game. Otherwise, you and that player each lose a guilt counter.

Franklin Roosevelt, the Sphynx

Defender
Whenever a creature enters the battlefield, create your choice of a clue token, a food token, or a treasure token.

Herman Carter, the Doctor

Menace
At the beginning of each upkeep, each player gets a madness counter.
At the beginning of your end step, you draw a card for each madness counter you have. Each opponent with one madness counter mills two cards. Each opponent with two madness counters mills five cards. Each opponent with three or more madness counters mills ten cards.
Opponents with three or more madness counters may pay {5} at the beginning of their pre-combat main phase to remove all but one madness counter from themselves.

The Entity

Sacrifice a creature: The Entity gets hexproof and indestructible until end of turn.
Sacrifice two creatures: Counter target spell.
Sacrifice three creatures: The Entity gets +X/+X until end of turn, where X is half the combined power of the sacrificed creatures, rounded down.
Sacrifice four creatures: Each opponent loses 4 life, and you gain life equal to the life lost this way.

Caleb Quinn, the Deathslinger

Reach
{I}The Redeemer{/I} {-} Whenever Caleb becomes the target of a spell or ability, you may pay {X}, where X is the mana value of target creature. If you do, all spells or abilities that would target Caleb instead target that creature until end of turn.
{I}Gearhead{/I} {-} Whenever the first activated ability of an artifact an opponent controls would activate each turn, you may pay {X}, where X is the mana value of that artifact. If you do, gain control of that artifact until end of turn.

Theodore Roosevelt, the Rough Rider

Haste
Horsemanship
Whenever Theodore Roosevelt attacks, create two tapped and attacking Rough Rider creature tokens, which are 2/2 red, white, and black human soldier creature tokens with haste. Sacrifice them on your next upkeep.

Joey Cadogan, the Muscle

Riot
Whenever a creature an opponent controls dies, put a frenzy counter on Joey.
{I}Mad Grit{/I} {-} Creatures you control with frenzy counters on them can only be blocked by a number of creatures equal to the number of frenzy counters on that creature.
Partner {-} Legion

Jon Bellion, Father Figure

Hexproof
Whenever the final chapter of a saga you control resolves, you gain a song counter. Then, you may search your library for an aura enchantment. If that card's mana value is less than the number of song counters you have, you may put it onto the battlefield. Otherwise, put it into your hand. Shuffle your library.

Talbot Grimes, the Blight

Intimidate, First Strike
{I}Blighted Serum{/I} {-} Whenever a creature attacks or blocks, it’s controller blights 1.
If you would place any number of -1/-1 counters on Talbot, place that many +1/+1 counters on him instead.

Hak Ji-Woon, the Trickster

Haste
Ji-Woon enters with forty-four blade counters.
{1}, Remove a blade counter from Ji-Woon: Ji-Woon deals 1 damage to target creature. This ability cannot be activated more than six times each turn.
{I}Starstruck{/I} {-} The first time a creature would die each turn, target creature controlled by a different player than the one who’s creature died becomes exposed until end of turn. {I}(Any amount of damage is enough to destroy an exposed creature.){/I}
{X}: Put X blade counters on Ji-Woon.

He Who Shall Not Be Named, Lord Voldemort

Deathtouch
{I}Avada Kedavra{/I} {-} At the beginning of your main phase, you may pay {X}, where X is the mana value of target creature. If you do, destroy that creature.
{I}Horcrux{/I} {-} If Lord Voldemort would die, instead sacrifice an artifact or creature you control. {flavor}“I want you to look at me when I kill you.” 
{-}Lord Voldemort

The Dredge

Menace, Intimidate
When The Dredge enters the battlefield, it becomes day.
{I}Septic Touch{/I} {-} Damage dealt to creatures by The Dredge is not removed at the cleanup step.
{I}Reign of Darkness{/I} {-} As long as it is night, The Dredge has shroud, indestructible, double strike, and trample.