One that has seen significant play in several 60-card formats
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
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
Ulrich of the Krallenhorde Stay away Slow and clunky red-green mythics have no home in Modern, especially without a trigger like the superior Huntmaster of the Fells, which you'd play over Ulrich any day of the week