He has not gone back to the price guides to see how far the value of his collection has fallen
As the trampler only needs to assign what would be lethal damage to each blocker before assigning the excess to the defending player, giving your trampler deathtouch is very helpful
Lorcana features a Shift mechanic which allows you to pay a reduced price to replace the card facing with another of the same character, which is a cost-effective way of swapping out versions mid-game

Group Slug Mogis, God of Slaughter | Illustration by Peter Mohrbacher Commander (1) Planeswalker (4) Daretti, Scrap Savant Chandra, Torch of Defiance Chandra, Awakened Inferno Daretti, Ingenious Iconoclast Creature (6) Rug of Smothering Kederekt Parasite Rampaging Ferocidon Magus of the Moon Solphim, Mayhem Dominus Erebos, God of the Dead Instant (7) Rakdos Charm Soul Shatter Tibalt's Trickery Valakut Awakening Malakir Rebirth Pyroblast Vampiric Tutor Sorcery (18) Wildfire Boom / Bust Night's Whisper Disrupt Decorum Obliterate Decree of Annihilation Blasphemous Act Tectonic Break Brotherhood's End Dreadbore Gamble Vandalblast Jokulhaups Shatterskull Smashing Ruination Agadeem's Awakening Damnation Toxic Deluge Enchantment (15) Sulfuric Vortex Underworld Dreams Impending Disaster Manabarbs Death Pits of Rath Smoke City on Fire Spellshock Lethal Vapors Tainted Aether Furnace of Rath Price of Glory Blood Moon Fiery Emancipation Polluted Bonds Artifact (16) Mind Stone Fellwar Stone Arcane Signet Rakdos Signet Planar Atlas Sol Ring Realmbreaker, the Invasion Tree Gilded Lotus Thought Vessel Crawlspace Talisman of Indulgence Caltrops Thran Dynamo Ankh of Mishra Ensnaring Bridge Crucible of Worlds Land (33) Drownyard Temple Drossforge Bridge Command Tower Bojuka Bog Darksteel Citadel Dragonskull Summit Fabled Passage Takenuma, Abandoned Mire Luxury Suite Haunted Ridge Blood Crypt Prismatic Vista Mountain x11 Swamp x9 Bloodstained Mire Group Slug players just want everyone to have a bad time
