While this is already a compelling reason to run Afterlife Insurance in Silverquill, the Disputant decks, you dont need a massive Storm-esque turn
Whether you're using it to catch up with a breakaway green player on a ramping rampage, or to save yourself after some disastrous missed land drops, getting the effect of this pegasus is always going to feel good
His 2nd ability basically reads, "Destroy target creature or planeswalker." Very little survives 10 damage
Attacking lets you loot, and with an evasive 4/4 body that shouldnt be too hard to manage, not to mention other attackers you might have at your disposal to really ramp up the looting
As Teferi's Protection resolves both permanents must phase out
Exemplar of Light Lifegain decks gain a real engine piece in Exemplar of Light