The more things Phase Out and get Suspended into exile (or just get put into exile in general), the more Time Counters The War Doctor gains
Mill is a viable strategy and can see plenty of success with some support cards like counter spells or board wipes, but its far from being the toughest alternate win condition out there
Each class has its own distinctive costuming and creatures in a Party can get bonuses for the number of creatures in the Party or even for having a complete party
This, in turn, will let you plan ahead when it comes to how to play your deck as well as sideboarding - which is where you move cards from your sideboard deck to your main deck in-between matches to try and give yourself an advantage
The only way to uncover the secrets of the past is to follow in the footsteps of the assassins who came before, and if you've learned anything, it's that you must be swift, precise, and never show your hand