Each Commander starts in the command zone, and their combined color identities determine the decks color range
You wont use the blight counter often on opponents lands, but when you do, itll be a real tempo swing to essential turn someone off of mana or an ability
The Shift ability on their card lets them be played for an alternate cost, on top of one of your other characters
Yshtola Rhul is a complex card, and youd be forgiven for missing the fact that she herself gives you two blinks for six mana because of her extra end-step ability
(9/9/2022) If you exile your entire library without exiling a legendary nonland card with lesser mana value, you will randomize the exiled cards and they again become your library, ending the effect
If you like +1/+1 counters (and other assorted counters), Counter Blitz is the deck for you