Cavalier of Thorns sees play in green devotion decks in Pioneer as a huge creature that delivers value and blocks well
Choosing Our Commander There's only two potential precon commanders found in this deck: Kasla, the Broken Halo and Saint Traft and Rem Karolus
In a Constructed setting, though, this card is largely predicated on your ability to get Delirium quickly

1 Dogmeat, Ever Loyal 1 Preston Garvey, Minuteman 1 Codsworth, Handy Helper 1 Idolized 1 Pre-War Formalwear 1 Birthday Party 1 Duchess, Wayward Tavernkeep 1 Grim Reaper's Sprint 1 Junk Jet 1 Megaton's Fate 1 House Gambit 1 Veronica, Dissident Scribe 1 Animal Friend 1 Strong Back 1 Almost Perfect 1 Armory Paladin 1 Cait, Cage Brawler 1 Cass, Hand of Vengeance 1 Inventory Management 1 Moira Brown, Guide Author 1 Three Dog, Galaxy News DJ 1 Mister Gutsy 1 Pip-Boy 3000 1 Junktown 1 Sunscorched Divide 1 Mantle of the Ancients 1 Puresteel Paladin 1 Single Combat 1 Blasphemous Act 1 Chaos Warp 1 Heroic Intervention 1 Basilisk Collar 1 Bloodforged Battle-Axe 1 Champion's Helm 1 Masterwork of Ingenuity 1 Canopy Vista 1 Cinder Glade 1 Clifftop Retreat 1 Exotic Orchard 1 Mossfire Valley 1 Rootbound Crag 1 Scattered Groves 1 Scavenger Grounds 1 Sheltered Thicket 1 Sungrass Prairie 1 Sunpetal Grove 1 Temple of Abandon 1 Temple of Plenty 1 Temple of Triumph 1 Brotherhood Outcast 1 Commander Sofia Daguerre 1 Acquired Mutation 1 Crimson Caravaneer 1 Ian the Reckless 1 Bighorner Rancher 1 Break Down 1 Gunner Conscript 1 Super Mutant Scavenger 1 Well Rested 1 Agility Bobblehead 1 Perception Bobblehead 1 Silver Shroud Costume 1 All That Glitters 1 Path to Exile 1 Valorous Stance 1 Sticky Fingers 1 Abundant Growth 1 Fertile Ground 1 Rancor 1 Squirrel Nest 1 Wild Growth 1 Behemoth Sledge 1 Arcane Signet 1 Brass Knuckles 1 Explorer's Scope 1 Fireshrieker 1 Sol Ring 1 Swiftfoot Boots 1 Ash Barrens 1 Buried Ruin 1 Command Tower 1 Evolving Wilds 1 Jungle Shrine 1 Path of Ancestry 1 Roadside Reliquary 1 Rogue's Passage 1 Temple of the False God 1 Terramorphic Expanse 4 Mountain 4 Forest 4 Plains Scrappy Survivors Tokens 1 Junk // Squirrel token 1 Junk // Treasure (survival, tech) token 1 Settlement // Human Soldier token 1 Settlement // Food (survival) token 1 Treasure (survival, tech) // Wasteland Survival Guide token 1 Food (survival) // Squirrel token 2 Radiation (helper) // Copy tokens 2 Radiation (helper) // Treasure (survival, tech) tokens Junk // Squirrel Junk // Treasure (Survival, Tech) Settlement // Human Soldier Settlement // Food (Survival) Treasure (Survival, Tech) // Wasteland Survival Guide Food (Survival) // Squirrel Radiation (Helper) // Copy Radiation (Helper) // Treasure (Survival, Tech) Hail, Caesar (Red-White-Black) Lead your army to a ruthless military victory with Caesar

(Not every deck needs Sol Ring
It also only costs one energy to retreat, so it can be used to quickly get in and have one attack before coming back out of the firing line