Created: Sun  3 Jan 16:04:40 UTC 2021

Design philosophy:

Legend:
 1: part of the initial build (Created)
+1: added/to be added to the build
-1: removed/to be removed from the build
?1: maybe to be removed

100
Lands (36):

1 Arid Mesa
1 Badlands
1 Blood Crypt
1 Bloodstained Mire
1 Cascade Bluffs
1 Clearwater Pathway  Flip
1 Creeping Tar Pit
1 Darkslick Shores
1 Fabled Passage
1 Fetid Pools
1 Fiery Islet
1 Flooded Strand
1 Ketria Triome
1 Misty Rainforest
1 Polluted Delta
1 Prismatic Vista
1 Riverglide Pathway  Flip
1 Scalding Tarn
1 Shivan Reef
3 Snow-Covered Island
2 Snow-Covered Mountain
2 Snow-Covered Swamp
1 Spirebluff Canal
1 Steam Vents
1 Sulfur Falls
1 Sunken Ruins
1 Underground Sea
1 Volcanic Island
1 Wasteland
1 Watery Grave
1 Wooded Foothills
1 Zagoth Triome

1 Brainstorm
1 Cling to Dust
1 Daze
1 Dig Through Time
1 Fatal Push
1 Fire / Ice
1 Kolaghan's Command
1 Lightning Bolt
1 Magmatic Sinkhole
1 Mana Drain
1 Mental Note
1 Opt
1 Peek
1 Spell Pierce
1 Thought Scour

1 Arcum's Astrolabe

1 Angrath's Rampage
1 Bloodchief's Thirst
1 Cabal Therapy
1 Careful Study
1 Chain Lightning
1 Chart a Course
1 Claim / Fame
1 Demonic Tutor
1 Duress
1 Faithless Looting
1 Firebolt
1 Flame Slash
1 Forked Bolt
1 Gitaxian Probe
1 Inquisition of Kozilek
1 Ponder
1 Portent
1 Preordain
1 Serum Visions
1 Sleight of Hand
1 Thoughtseize
1 Toxic Deluge

1 Bedlam Reveler
1 Bonecrusher Giant
1 Brazen Borrower
1 Deathrite Shaman
1 Dreadhorde Arcanist
1 Ethereal Forager
1 Hullbreacher
1 Jace, Vryn's Prodigy  Flip
1 Krark, the Thumbless
1 Lurrus of the Dream-Den
1 Magmatic Channeler
1 Opposition Agent
1 Ox of Agonas
1 Sea Gate Stormcaller
1 Seasoned Pyromancer
1 Snapcaster Mage
1 Thing in the Ice  Flip
1 Young Pyromancer

1 Ashiok, Dream Render
1 Dack Fayden
1 Liliana of the Veil
1 Liliana, the Last Hope
1 Narset, Parter of Veils
1 Saheeli, Sublime Artificer
1 The Royal Scions

SB: