Razaketh, the Foulblooded is an eight mana Black 8/8 with flying and trample
Three mana to pull this out in the late game is more than enough value to make Dakkon an auto-include in your Esper artifacts decks, and its built-in surveil ability and creature removal make it a great early play as well
In October of 2020, a PSA 10 sold for nearly $15,000
Rampant Rejuvenator should probably just be thought of as a Burnished Hart with a different cost set
Battle of Frost and Fire - The big notice here is that if you can have enough dragons survive the 4 damage wrath effect, and time it right, you can end up drawing a good couple of cards, on top of being a one-sided wipe, when it hits the third lore
Leading up to the sets release, it was shown off by the design team as part of their ongoing effort to provide new tools to the color white