At the beginning of your upkeep, if there are 100 or more tower counters on this enchantment, you win the game
Led by Quintorius, History Chaser, a planeswalker , this deck is built to generate spirit tokens and isn't afraid to let cards head to the graveyard because there are ways to either cast the card again (Flashback) or, in the case of creatures, bring them back to the battlefield
We can change our deckbuilding to raise that level of output either by flickering or cloning the commander, or by rationing out spells to trigger the ability on each opponents turn
With the high value on exile effects the indestructible Ulamog is easier to kill than Eons Torn
First off, Sparkhunter is a 3/4 colorless creature for three mana, which isnt all that bad given that the raw power ratio of cost to size with artifact creatures generally isnt super favorable