Welcome Boosters: Available in select local game stores, these should be free, small packs made to welcome new players to MTG.
For those with more interest in commander cards, check out our list of 10 Best Commanders from Outlaws of Thunder Junction
Avalanche of Sector 7 is more of an anti -artifact card, but its pretty great in Commander nonetheless
-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
Not only have there been a limited number of cards with this mechanic, its a lengthy process to gain those ten counters
