It feels a little shields down with constantly sacing (sacrificing) you creatures as end step, but with cards like Mikaeus, the Unhallowed, Evolutionary Leap, and Birthing Pod you can turn the sacs into more creatures
Once they are on the battlefield, your fresh creatures can Crew them for an immediate attack
These copies contained a Worlds 04 stamp in the bottom-right corner of the artwork
I really want to reiterate that the artwork is phenomenal in person
Perhaps Muzzio will change that, at least for the nonce
Niv-Mizzet, Parun There have been a total of seven Niv-Mizzet iterations over the years, with four them being Izzet-colored and the other three costing WUBRG (all five colors)