If you pick up six before your rival, this is another way to claim victory
Correction 2 March - This article has been updated to make it clear the card was sold after, not during, the auction
Extravagent Replication, Mirrorworks, Prototype Portal, Replication Technique, and Saheelis Artistry are all great ways to start creating Luck Bobblehead tokens

Admonition Angel Adventuring Gear Aesi, Tyrant of Gyre Strait Ambrosia Whiteheart Architect of the Untamed Avenger of Zendikar Baloth Woodcrasher Black Chocobo Bloodghast Bristly Bill, Spine Sower Calcite Snapper Canopy Baloth Canyon Jerboa Caustic Crawler Choco, Seeker of Paradise Chocobo Racetrack Claim the Kingdom Courser of Kruphix Dreadwurm Druid Class Dnedain Rangers Earthbender Ascension Elfsworn Giant Embodiment of Insight Emeria Angel Emeria Shepherd Eternity Vessel Eumidian Terrabotanist Eusocial Engineering Evolution Sage Fearless Fledgling Felidar Retreat Fledgling Griffin Floral Evoker Genemorph Imago Geyserfield Stalker Glacier Godmaw Glyph Elemental Grappling Kraken Grazing Gladehart Greensleeves, Maro-Sorcerer Groundswell Guardian of Tazeem Guul Draz Overseer Hagra Crocodile Hedron Crab Hedron Rover Hedron Scrabbler Icecave Crasher Icetill Explorer Ior Ruin Expedition Iridescent Vinelasher Jaddi Offshoot Ka-Zar of the Savage Land Kazandu Mammoth Kazandu Nectarpot Khalni Heart Expedition Lotus Cobra Maja, Bretagard Protector Makindi Ox Mightform Harmonizer Mole Man, Moloid Master Mossborn Hydra Murasa Ranger Mysteries of the Deep Nissa of Shadowed Boughs Nissa, Resurgent Animist Nissa, Worldsoul Speaker Ob Nixilis, the Fallen Ondu Greathorn Oran-Rief Hydra Primeval Bounty

Scars of Mirrodin and Innistrad introduced easy engines for taxing your opponents in Suture Priest, Falkenrath Noble, and Blood Artist
They have information that you can't easily see from your hand, especially if you don't want to tip off your opponent that you have it