Cosima Command Zone Return Bug

[mattelonian]

If you let Cosima sit in the command zone rather than shunting back, the choice persists across the rest of the game and never offers it to you again, so you can't her get back if she gets wiped and heads to the graveyard. I checked my settings to make sure there wasn't an "auto-agree" option I had on by accident, and I didn't set anything up other than pressing yes/no

[mattelonian]

Never mind, this is not a bug, you can only decide if a commander returns to the command zone the first time per object

BUT this means cosima flat out doesn't work as a commander which makes me very sad

[Alex-Vasile]

903.9. A commander may return to the command zone during a Commander game. 903.9a. If a commander is in a graveyard or in exile and that object was put into that zone since the last time state-based actions were checked, its owner may put it into the command zone. This is a state-based action. See rule 704. 903.9b. If a commander would be put into its owner's hand or library from anywhere, its owner may put it into the command zone instead. This replacement effect may apply more than once to the same event. This is an exception to rule 614.5. 903.9c. If a commander is a melded permanent or a merged permanent and its owner chooses to put it into the command zone using the replacement effect described in rule 903.9b, that permanent and each component representing it that isn't a commander are put into the appropriate zone, and the card that represents it and is a commander is put into the command zone.

You should be able to pick whether it goes to the command zone each time, not just once a game.