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
Trouble just follows me around. Illustrated by Mirko Failoni Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Legal Comp
You can see the deck, right
Surely this will never come back to bite me
Disciple of Bolas, Zulaport Cutthroat, Falkenrath Noble, Blood Artist, Grim Backwoods, Sangromancer, Rogue's Passage, Whip of Erebos are all good cards to add
This affects Towns, essentially turning them into dual lands minus the subtypes, but also affects many other combo friendly lands, like Simic Growth ChamberSimic Growth Chamber and other bouncelands, MirrorpoolMirrorpool, and tokens created by Overlord of the HauntwoodsOverlord of the Hauntwoods