Losing a partner ability during the game doesn't cause either to cease to be your commander
You need to consider how much you can pay for things, if your deck is able to fight off aggression while spending its own life
These are the free sacrifice outlets in this deck: Altar of Dementia Carrion Feeder Cartel Aristocrat Spawning Pit Viscera Seer Priest of Forgotten Gods (must tap Priest of Forgotten Gods but should probably be done at sorcery speed unless you have an instant to use with the 2 extra black mana the ability will give you) While these are probably your best targets to sacrifice a creature, there are a couple more
Chandra, Spark Hunter Its hard not to rate a planeswalker among the top 10 cards of the set, so that shows how confident ( not ) I am that this card will be a meta-defining one
To play for fun and keep cards safe from damage, people use card sleeves
Its also a partner commander, so you can bet youll be seeing it on the site again soon