Past in Flames [The Best Storm Enabler] Past in Flames works great for explosive storm combos
The first proper home I found for this card was Ratadrabik of Urborg
The only issue, assuming you don't consider costing ten mana an issue, is that resolving four cascades in a row can get complicated, especially when individual cascades hit other cascade spells mid-resolution
These are a special land type that has a number of cards that interact with them
Gray, Sist-Airs, Vinyl Vineshtein Cards, 60 Pages, Published 1998, 1st Edition, starter decks rule card printed by PGI Limited, 30 Shorhaven Rd., Norwalk, CT 06855, ISBN 0966700503 "Unsanctioned An Unruly Head-to-Head Fight Club"
However, because nearly all Slivers grant various buffs to all other Slivers, every creature on your battlefield gets exponentially more powerful with every cast