Rampant Rejuvenator should probably just be thought of as a Burnished Hart with a different cost set
Maybe you have 1 or 2 additional ones in your hand you havn't played yet, so I think on average you get to play 4-5 dragons
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
Expect these prices to fluctuate a lot , but Im curious what the return of cards like Doubling Season and Omniscience to Standard is going to do for the price of older printings
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
If your table has the competitive mindset to embrace these powerful combos, their explosiveness makes them very much at home in the Commander format