The need to release e-Card sets before Wizards license expired in 2003 was another factor
Combined with the low HP of both Leafeon and Roserade, you will find its hard to keep up the strong heavy hitting for all your 6 Prizes
Plus, Stage 2 Pokemon that are useful, like Vikavolt, Metagross GX, Gardevoir GX, and Decidueye GX, all either accelerate Energy attachment, or, they are only used from the Bench, so having 4 Energy cards at once isn't that important
3 25% of the time, Set Boosters contain a card from The List interesting cards from anywhere in Magic's history, printed as they appeared (including art, frame, and expansion symbol) plus a small Planeswalker symbol in their lower-left corner
If your Snapcaster Mage gives flashback to your Hour of Reckoning, you can convoke it from the graveyard, no problem
The format's only remaining OG mana-cheat deck is Affinity, named for a mechanic that reduces the cost of spells with affinity by one generic mana for each artifact the card's caster controls