He got to the cards one step ahead of you
Ajani Goldmane Brave the Elements Disfigure Bloodghast Acidic Slime Harm's Way Lotus Cobra Dispel Doom Blade Elite Vanguard Elvish Archdruid Expedition Map Borderposts Glory of Warfare Goblin Bushwhaker Goblin Chieftain Grim Discovery Hedron Crab Hellspark Elemental Honor the Pure Inkwell Leviathan Iona, Shield of Emeria Journey to Nowhere Knight of the Reliquary Khalni Gem Kor Skyfisher Lapse of Certainty Maelstrom Pulse Martial Coup Master of the Wild Hunt Merfolk Sovereign Mind Funeral Mindbreak Trap Nicol Bolas, Planeswalker Oracle of Mul Daya Open the Vaults Parasitic Strix Plated Geopede Punishing Fire Progenitus Qasali Pridemage Sigil of the Empty Throne Sphinx of the Steel Wind Spreading Sea Steppe Lynx Tukatongue Thallid Thopter Foundry Time Sieve Vampire Hexmage Vampire Nighthawk Vampire Lacerator Vampire Nocturnus Vines of Vastwood Volcanic Fallout Warren Instigator Zealous Persecution 10

Free artifacts are also exceptional with Mox Opal and the token generators, so playing four copies of Engineered Explosives is a net positive for these archetypes
Blues other tutors such as Mystical Tutor, Tezzeret the Seeker and the mage-cycle are all great but Spellseeker takes the slot here
In MtG: Arena, however, the game highlights which cards you can hurl at your enemies during different turn phases, which helps to level a sometimes-intimidatingly-uneven playing field
Rhizome Lurcher mostly seems like a bad Nullhide Ferox, and I dont think were going quite big enough to want Golgari Raiders