While there's no indication of more Energy cards being printed in upcoming sets, Wizard of the Coast's willingness to revisit the mechanic in different formats and releases might be a clue that we haven't seen the last of this mechanic
Check out Wargamer's guide to the official MTG banlist to stay up to date with everything that's changed - other formats have been affected, though nowhere near as much as Standard
The master-disciple bond from the original work is now captured in cards, offering a fresh strategic twist with attribute and event-driven decks
Each Set Booster contains 12 Magic cards, 1 Art Card, and 1 token/ad card, or card from The List (a special card from Magic's historyfound in 25% of packs), with a combination of 15 card(s) of rarity Rare or higher and 37 Uncommon, 36 Common, and 1 Land cards
Smaug the Magnificent Treasures are some of the best tokens to make, as they can lead to ridiculous ramp and several wincons
Well, Steelshapers Gift should be in your build