Pick Your Poisonspread corruption with poison counters and play your opponents cards against them
-3 Crackling Drake -2 Flame-Blessed Bolt -2 Chart a Course -3 Izzet Charm -1 Treasure Cruise -2 Expressive Iteration -4 Island -4 Mountain -2 Sulfur Falls -4 Shivan Reef -4 Temple of Epiphany -2 Abrade -1 Invasive Surgery -2 Lava Coil -2 Sweltering Suns -2 Mystical Dispute -3 Narset, Parter of Veils +4 Ledger Shredder +2 Arclight Phoenix +2 Fiery Impulse +3 Spell Pierce +2 Spikefield Hazard +2 Galvanic Iteration +1 Pieces of the Puzzle +2 Temporal Trespass +2 Hall of Storm Giants +4 Riverglide Pathway +4 Spirebluff Canal +3 Steam Vents +2 Stormcarved Coast +1 Otawara, Soaring City +1 Chandra, Torch of Defiance +2 Aether Gust +2 Disdainful Stroke +2 Young Pyromancer +2 Brotherhoods End Total Upgrade cost ~$370 Gruul Stompy Gruul Stompy looks a bit different than the challenger deck, but had some of the same cards and a similar plan

Specialty titles, such as instant-win games and crash-style experiences, round out the catalog for players seeking fast sessions with transparent odds and simple rules
Avalanche of Sector 7 is more of an anti -artifact card, but its pretty great in Commander nonetheless
Welcome Boosters: Available in select local game stores, these should be free, small packs made to welcome new players to MTG.