bloomburrow mtg commander decks Magic: The Gathering Deck 4 Box Case From the Commander 2016 set. Bloomburrow Commander Decks - Fabricator's

A Thoughtseize or Duress asks you to spend resources to avert a play your opponent hasnt committed anything to (other than a card draw)

For 99% of decks though, Zodiark is 100% unplayable

The Birds come down a turn earlier, require fewer colors to play, and generate any color of mana when they tap instead of just black

Despite the inherent variance, its a very potent effect to the point that most spells that trigger cascade dont need to do much else besides that

Commander 2019 is no different

Technically, Kess, Dissident Mage was also newly released with this Commander deck, but I dont believe it was billed as an alternate commander