Aftermath is a blend of split cards and Flashback, since each card with Aftermath has two different mini-cards with different effects, names, and mana costs
How you answer these questions will vary based on your playstyle and deck, so dont be afraid to experiment until you find a blend of mana ramp cards that works for you
Scene Boxes, on the other hand, include 3 Play Boosters and 6 mechanically unique cards, so they can be great to get for Commander and Eternal fans, specifically
Mana Ramp I love having Reckless Barbarian and Patron of the Arts as Dragon cards that you can cast early to provide some temporary mana to power out a big Dragon, or maybe even The Ur-Dragon itself
Players with a little more experience are able to design their own decks, but this is quite complex
With a handful of copies, and a signed version makes this one of the rarest Pokemon cards