Doing so works like regenerating a creature in any other circumstance
With the high value on exile effects the indestructible Ulamog is easier to kill than Eons Torn
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
Players will find familiar faces and concepts like Auron, Venerated Guardian, Summon: Valefor, Blitzball Stadium, and even Sin, Unending Cataclysm
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