Although most Set and Draft Booster Boxes only contain ONE Box Topper, WotC has included TWO Box Toppers inside of the more expensive Collector Booster Boxes
The return of Dungeons & Dragons to the silver screen gave Magic: The Gathering the perfect opportunity to return to Faerun with a very special Secret Lair drop
As such, players would probably be better off swapping in a two-cost artifact that taps for mana instead
Once you get Delirium online, you end up with a 3/3 flyers that attacks each combat if able, which can help provide pressure and get you your attack and damage triggers
Then there are single instance ramp spells such as Jeweled Lotus, Irencrag Feat, Dark Ritual, Mana Drain, Culling Ritual, etc
You can also use this card to pay for any effect that would make you discard it or sacrifice it, returning it back to your hand when you get the chance