Ninjas decks, real Mana Forge decks mixed with real decks from EDHREC — publish a deck and it lands right at the top.
32 Creatures, 25 Lands, 22 Instants, 12 Sorceries, 4 Artifacts, 3 Enchantments, 1 Planeswalkers
30 Creatures, 28 Lands, 16 Instants, 10 Sorceries, 10 Artifacts, 4 Enchantments, 1 Planeswalkers
31 Creatures, 37 Lands, 11 Instants, 8 Sorceries, 7 Artifacts, 4 Enchantments, 1 Planeswalkers
25 Creatures, 38 Lands, 15 Instants, 7 Sorceries, 11 Artifacts, 2 Enchantments, 1 Planeswalkers