If this enchantment were to be printed today, it would certainly be legal in sanctioned play, and honestly quite easy to win with, like a supercharged Helix Pinnacle for die-rolling decks
Import au Canada par Wizards of the Coast LLC, PO Box 707, Renton, WA 98057-0707, USA
Forgetful Fish Ben Guilfoyle explains how to play Forgetful Fish, a shared-deck, mono-blue mini-format from 1997 where players draw from one 80-card deck and race with ten Dandns
So the last thing I checked were various fancy foils
With almost two-thirds of the deck cycling for a single mana(!), it becomes inevitable that you will draw multiple copies of this absurdly large Lightning Helix, and at this point, its hard to argue that it needs to do anything else to dominate
Once again, assuming you are looking to purchase it for playing against friends and foes alike