Maybe I am being too biased because I think its design is really, really cool, but I think that it can provide a lot of flexibility to certain decks in the format
Booster boxes, Elite Trainer Boxes, and case-style products are heavier, larger, and often need a gentler elevator-style retrieval path so the box does not arrive crushed
Chart shows the price of Charizard [Reverse Holo] #10 at the end of each month going back as long as we have tracked the item.
The best cards from Ruler of the Black Flame are overwhelmingly Charizard-centric, with the SAR accounting for over 85% of the sets high-end value
There's also Helm of the Host for a more permanent alternative, Sword of Feast and Famine to untap all your lands twice for peak combat trickery, and Sword of Wealth and Power for lots of spell copying and Treasure tokens