If you can prepare the Channel spell, youre almost assuredly set up to win, but you have to make it through a turn cycle with a giant target on your back
Its "Unified Beatdown" attack prevents the opponent from using Item cards during their next turn, while "Crown Opal" deals significant damage and allows players to attach Energy from their discard pile a powerful combination that can disrupt the opponent's strategy while accelerating your own
if you assume, on average, you're drafting 31 playables for your deck (23 spells, 5 lands, 3 sideboard cards) then approximately 10% of your cube could potentially be strong sideboard cards and the resulting decks would be 'more powerful' than a cube with no sideboard cards
Although you can call it a precon upgrade, you can start from zero and buy singles
One that has seen significant play in several 60-card formats
Commander is all about big splashy plays, but sometimes people can get out of hand with it, especially when it comes to card drawing