Seal from existence -> Leyline binding
Oust -> get lost
Steel seraph -> sanguine evangelist
Supreme will -> confounding riddle
Rona -> Malcolm
Anticipate -> mystical tutor
Ancestral vision -> Lorien revealed
7 mana sheoldred -> troll of khazad dum
Freebooter -> deep cavern bat
Conspiracy theorist -> inti
Earthshaker khenra -> oliphant
Khenra spellspear -> trumpeting carnosaur
Moria marauder - sneak attack
Avalanche riders - through the breach
Dreadbore -> molten collapse
Valki -> bloodtithe harvester
Rakdos’s return -> fire covenant
Bloodbraid Elf -> questing Druid
Lavaclaw reaches -> restless vents
Karn liberated -> coveted jewel

Add
Mox Diamond
Portal to Phyrexia
Urza's Saga
Pentad Prism
Rolling Earthquake
Hearth Elemental
Scrapwork Mutt
Seething Song
Spell Queller
Teferi, Time Raveler
Soulherder
Palace Jailer
Forth Eorlingas!
Liliana, the Last Hope
Custodi Lich
Woe Strider
Ulvenwald Oddity
Life from the Loam
Fastbond
Exploration
Llanowar Visionary
Torsten, Founder of Benalia
Subtlety
Faerie Mastermind
City of Traitors

Remove
Niv-Mizzet Reborn
Teferi, Temporal Pilgrim
Lightning Helix
Inspiring Overseer
Bloodfeather Phoenix
Captain Lannery Storm
Coldsteel Heart
Caldaia Guardian
Ornithopter of Paradise
Scrapheap Scrounger
Pithing Needle
Murderous Rider
Misery's Shadow
Nighthawk Scavenger
Yorion, Sky Nomad
Merfolk Branchwalker
Geist of Saint Traft
Supreme Verdict
Purphoros's Intervention
Ox of Agonas
Hullbreacher
Mirari's Wake
Once Upon a Time
Oath of Nissa
Cultivate