Changes 2/1 (done):
-Brimaz, +Anafenza
-Loran, +Brought Back
-Shorikai, +Malcator
-Nahiri, +Nahiri
-Valki, +Oni-Cult Anvil
-Search for Tomorrow, +Pest Infestation
-Doom Whisperer, +Putrid Goblin
-Mirari's Wake, +Safehold Elite
-Day of Judgment, +Second Sunrise
-Trygon Predator, +Slogurk
-Murktide Regent, +Subtlety
-Thousand-Year Storm, +TPI
-Vorinclex, +Titania
-Qasali Pridemage, +Torens
-Unexpectedly Absent, +Vizier
-Languish, +Wishclaw Talisman
-Agadeem's Awakening, +Darkblast
-Wedding Announcement, +Faith's Reward
-Rift Sower, +Melira
-Rakdos's Return, +Murderous Redcap
-Hero of Bladehold, +Recruitment Officer
-Siege-Gang Commander, +Conspiracy Theorist
-Inferno Titan, +Imperial Recruiter
-Past in Flames, +Eidolon of the Great Revel

Changes 2/12 (done):
Porcelain Legionnaire is now considered as 2 mana colorless. Removing Niv-Mizzet Reborn, adding Ingenious Smith.
Solitude is now considered as 0 mana.
Phyrexian Metamorph is now considered as 3 mana colorless. Removing Argentum Masticore, adding Consider.
Gitaxian Probe is now considered as 0 mana colorless. Removing Etched Champion, adding Serum Visions
-Thirst for Knowledge, +Opposition
-Fact or Fiction, +Deep Analysis
-Rankle, +Mesmeric Fiend
-Liliana of the Last Hope, +Carrion Feeder
-Liliana's Triumph, +Sheoldred's Edict
Dismember is now considered as 1 mana colorless. Removing Duplicant, adding Bloodsoaked Champion
Anje's Ravager is now considered as 2 mana.
-Smash to Smithereens, +Galvanic Blast
-Shatterskull Smashing, +Bloodthirsty Adversary
-Pyroclasm, +Banefire
-Terastadon, +Ramunap Excavator
-Harmonize, +Craterhoof Behemoth
-Teferi, Hero of Dominaria, +Mirror Entity
-Satoru, +Gush
-Angrath's Rampage, +Skyclave Shade
-Escape to the Wilds, +Magmatic Channeler
-Voice of Resurgence, +Green Sun's Zenith
-Vindicate, +Conjurer's Bauble
-Saheeli, +Duplicant
-Hogaak, +Fiend Artisan
-Assassin's Trophy, +Mycosynth Gardens
-Boros Charm, +Blasting Station
-Tamiyo, +Patchwork Automaton

Things to add:
The Meathook Massacre
Memory Jar
Metallic Mimic
Oskar, Rubbish Reclaimer
Omnath, Locus of Creation
Halo Forager
Winota
Captain Rex Nebula
Paradoxical Outcome