Trying to uplaod my Horizons 3 deck from Mana box, and It keeps giving me this message. I'm trying to figure out if there is an error with the format. Here is the format. Can anyone help? Google said remove the card number at the end, but that didn't work either, same error!

1 Accursed Marauder (MH3) 80 1 Altar of the Goyf (M3C) 282 1 Anger (M3C) 208 1 Arcane Signet (M3C) 283 1 Archon of Cruelty (M3C) 197 1 Arena of Glory (MH3) 351 F 1 Bloodbraid Challenger (M3C) 122 1 Bloodbraid Elf (M3C) 256 1 Brawn (M3C) 224 1 Broodmate Tyrant (M3C) 123 1 Burnished Hart (M3C) 284 1 Canyon Slough (M3C) 325 1 Chandra's Ignition (M3C) 209 1 Cinder Glade (BLC) 299 1 Command Tower (M3C) 331 1 Coram, the Undertaker (M3C) 7 F 1 Dakmor Salvage (M3C) 333 1 Deadbridge Chant (M3C) 258 1 Deathreap Ritual (M3C) 259 1 Demolition Field (M3C) 335 1 Disa the Restless (M3C) 1 F 1 Disa the Restless (M3C) 144 E 1 Eternal Witness (M3C) 227 1 Evolving Wilds (BLC) 302 1 Exotic Orchard (M3C) 341 1 Exterminator Magmarch (M3C) 124 1 Faithless Looting (M3C) 211 1 Final Act (M3C) 104 1 Find // Finality (M3C) 261 2 Forest (MH3) 319 3 Forest (MH3) 318 1 Forgotten Cave (M3C) 343 1 Garruk, Apex Predator (M3C) 262 1 Gluttonous Hellkite (M3C) 125 1 Grapple with the Past (M3C) 230 1 Graveshifter (M3C) 198 1 Grisly Salvage (M3C) 263 1 Grist, the Hunger Tide (M3C) 264 1 Ignoble Hierarch (M3C) 234 1 Infested Thrinax (M3C) 126 1 Izoni, Thousand-Eyed (M3C) 267 1 Junji, the Midnight Sky (M3C) 199 1 Kessig Wolf Run (M3C) 352 1 Kolaghan's Command (M3C) 268 1 Lhurgoyf (M3C) 235 1 Lightning Greaves (M3C) 298 1 Liliana, Death's Majesty (M3C) 200 1 Maelstrom Pulse (M3C) 269 1 Maskwood Nexus (BLC) 279 1 Mortivore (M3C) 201 1 Mossfire Valley (BLC) 316 1 Mountain (MH3) 317 2 Mountain (MH3) 316 1 Myriad Landscape (M3C) 358 1 Necrogoyf (M3C) 202 1 Path of Ancestry (BLC) 322 1 Polygoyf (M3C) 117 1 Pyrogoyf (M3C) 111 1 Raging Ravine (BLC) 324 1 Rampant Growth (BLC) 234 1 Riveteers Charm (M3C) 271 1 Riveteers Overlook (M3C) 369 1 Sakura-Tribe Elder (BLC) 236 1 Savage Lands (M3C) 371 1 Sawhorn Nemesis (M3C) 112 1 Selvala, Heart of the Wilds (M3C) 246 1 Shadowblood Ridge (M3C) 373 1 Sheltered Thicket (BLC) 330 1 Siege-Gang Lieutenant (M3C) 113 1 Smoldering Marsh (M3C) 379 1 Sol Ring (M3C) 305 1 Stitcher's Supplier (M3C) 204 1 Strike It Rich (H2R) 12 F 2 Swamp (MH3) 315 1 Swamp (MH3) 314 1 Syphon Mind (M3C) 206 1 Syr Konrad, the Grim (M3C) 207 1 Tainted Peak (M3C) 382 1 Tainted Wood (BLC) 337 1 Talisman of Impulse (BLC) 287 1 Talisman of Indulgence (M3C) 312 1 Talisman of Resilience (BLC) 288 1 Tarmogoyf Nest (M3C) 120 1 Temple of Abandon (BLC) 338 1 Temple of Malady (BLC) 341 1 Temple of Malice (M3C) 389 1 Tempt with Mayhem (M3C) 114 1 Terminate (M3C) 274 1 Terramorphic Expanse (M3C) 394 1 The Reaver Cleaver (M3C) 217 1 Tranquil Thicket (BLC) 350 1 Twisted Landscape (MH3) 232 1 Viridescent Bog (BLC) 352 1 Yavimaya Elder (M3C) 254 1 Ziatora, the Incinerator (M3C) 279