Several good self-mill cards simply dont have mill-related keywords at all like Hermit Druid or Underrealm Lich
If youre looking to attack a ton then youre going to want cards like Aurelia, the Warleader, which grants you an extra combat step the first time you attack with her, untapping all your creatures while shes at it
(If he would be dealt damage or destroyed, remove a shield counter from him instead.) As long as Captain America has a shield counter on him, you and other Heroes you control have hexproof
Do you think Brainstorm is good enough that it warrants a spot regardless
A similar thing goes for Dragon Fire and Be Prepared which banish characters
Giving every spell flashback is unbelievably powerful, and when paired with cards like High Tide, Turnabout, and Time Stretch, you can start to see how easily this monstrous wizard could be broken