To break even at this price, you'd need to hit a serialized card, but there are some really expensive ones you could pull - from a serialized One Ring worth up to $7,500, to a Last March of the Ents worth $4,000
The good news is that Invasion of Fiora is one of the best battles for Standard, where a six-mana wrath with the upside of flexibility is already solid enough where and there are natural top-tier homes thanks to the popularity of black in the format and various legendary-themed decks that can turn Invasion of Fiora into a Plague Wind
The flexibility on this bounce is oftentimes plenty of disruption
I don't think it's an overpowered deck but has the ability to do many overpowered things
A turn-one Ragavan immediately changes how the table plays
If an opponent taps a land for mana, that land won't untap on its controller's next untap step