Added alters for:
Halfdane
Kemba, Kha Regent
Admiral Beckett Brass
Queen Marchesa
Emrakul, the Promised End
Teysa, Orzhov Scion
Teysa, Envoy of Ghosts
Mazirek, Kraul Death Priest
Merieke Ri Berit
Rakdos, Lord of Riots
Arahbo, Roar of the World
Mizzix of the Izmagnus
Ezuri, Renegade Leader

Added Alters for:
Nicol Bolas
Vial Smasher the Fierce
Forgotten Ancient
Champion of Stray Souls
Tana, the Bloodsower
Ludevic, Necro-Alchemist
Ikra Shidiqi, the Usurper
The Scorpion God

Added Alters for:
Cromat
Zacama, Primal Calamity
The Ur-Dragon
Niv-Mizzet, the Firemind
Yidris, Maelstrom Wielder
Thromok the Insatiable
Sydri, Galvanic Genius
Licia, Sanguine Tribune
Bruna, Light of Alabaster
Omnath, Locus of Rage
Mogis, God of Slaughter
Darigaaz Reincarnated
Yahenni, Undying Partisan
Ayli, Eternal Pilgrim
Hellkite Tyrant
Twilight Drover

Added alters for:
Merieke Ri Berit
Adun Oakenshield

Fixed Vorinclex again.

Added Alters for:
Godo, Bandit Warlord
Nahiri, the Lithomancer
Cabal Coffers
Invoke Prejudice

Updated the Alter for Vorinclex, Voice of Hunger.

Added alters for:
Avatar of Woe
Dread Cacodemon
Abhorrent Overlord
Lord of the Void
Kozilek, Butcher of Truth
Ulamog, the Ceaseless Hunger

Tried my hand at using Cardsmith to make a few alters this time.

Added alters for:
Gisela, Blade of Goldnight
Oona, Queen of the Fae
Eight-and-a-Half-Tails
Vorinclex, Voice of Hunger
Mikaeus, the Lunarch
Ravos, Soultender
Sun Titan
Doubtless One
Skirsdag High Priest

Added alters for:
Niv-Mizzet, the Firemind
Mikaeus, the Unhallowed
Westvale Abbey/Ormendahl, Profane Prince
Dakkon Blackblade
Urabrask the Hidden
Medomai the Ageless

Added alters for
Empress Galina
Child of Alara
Thada Adel, Aquisitor
Edgar Markov
Kozilek, the Great Distortion