Alternative Commanders Eris, Roar of the Storm is another sweet high-mana-value commander where you can reduce the generic mana requirement, this one by having different mana values among instant and sorcery cards in your graveyard
Bloomburrow's Commander Decks Gather friends and family for fun cards and play with the Bloomburrow Commander decks
Earthen Seal Stone eats up your per-game VSTAR Power, but if you've got someone constantly switching between their VMAXs (hello, Mew VMAX decks!), consider it a nuclear option of sorts to shred most of the HP from the ranks
Quick Draft, Premier Draft, and Traditional Draft each have different cost structures and reward distributions
I'd rather it be a completely original Malefic dragon
rule of thumb in yugioh game, never let effect that summon from your deck nearly free