Of course, if youre ahead on board, you can just use the large Leviathan to grow your Energy count each turn cycle
P/T Set Number 243 Language Espaol Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) A creature attacks alone if it's the only creature declared as an attacker during the declare attackers step (including creatures controlled by your teammates, if applicable)
At the same time, however, most make more energy than they'll want to use immediately, and only give you a single chance to spend said energy
This brings to mind the original Ruby/Emerald starter deck from the First Chapter, and the Mad Hatter card who was at that time one of the strongest three lore characters in the game
Scion of the Ur-Dragon is also the best Dragon commander, because it can be any Dragon in your deck, and you can very easily kill off your opponents in a single attack from this shapeshifting beast of a Creature
Whats the Big Deal with The Masamune and Who Uses It