I have quite a few cards without Flash, however, and I decided rather than cut them, to instead run Vedalken Orrery, Leyline of Anticipation and Teferi, Mage of Zhalfir
However, its not only collectors who will be excited about this chase
It has a splashy effect that is viable in no other format but Commander, and Scourge allows you to dabble in the politics of Commander games (unlike say, Thundermaw Hellkite who just Hulk smashes an unfortunate opponent)
Power: 6000
Coming down on turn 3 or 4 and immediately draining for 3 stabilizes your board, but unlike Rhino, it can't block without help
The archenemy has some tools to help them level the playing field