I see a probable ceiling of $2000-2500 (a large range, but again, this is subjective), but I don't doubt that it would be possible to get $2000 if you're good and find the right buyer
I have placed it very high up on my own list as well, but I am not sure whether I really think it is better than Veil of Summer or Force of Vigor, given that it is just a dumb, head-through-the-wall type card and the others are very specialized but devastating interactive cards
Many black-based decks can create a hefty amount of Treasure tokens, and just creating and sacrificing two Treasures deals 4 damage to everybody else
Sacrifice after III.) I, II - Prevent all damage that would be dealt to creatures you control this turn.III - Tap all creatures your opponents control
While they had appeared here and there in Magic's history, it wasn't until the original Theros block that they finally gained their own creature type