There are so many ways to try to combo off with Bolas's Citadel, whether thats various kinds of storm decks in Modern, Jund Citadel in Pioneer, or that deck youve seen in Historic with Bartered Cow and Refurbish
Here is a photo of the each and then an individual top loader and single oversized sleeve
Hiram, Pawpsicle, Belle Apprentice Inventor (guilty), Sapphire Coil, and Tamatoa Happy as a Clam are the most commonly mentioned
Veloci-Ramp-Tor Quite frankly, this precon is by far the best out of the Lost Caverns of Ixalan set, and undoubtedly one of the most cohesive weve seen in the last couple of years
Includes 1 deck of 100 Magic cards (98 nonfoil cards and 2 Traditional Foil Legendary cards), a 2-card Collector Booster Sample Pack (contains 2 alt-border cards of rarity Rare or higher), 6 double-sided token cards, 1 deck box (can hold 100 sleeved cards), 1 strategy insert, and 1 reference card