Rulings
The controller of Cemetery Desecrator chooses which counters are removed, and they may remove more than one kind of counter. If the target permanent has fewer than X counters, all of them are removed.
(wotc • 2021-11-19)
After you exile a card from a graveyard, another triggered ability goes on the stack. You choose the mode and target as you put that second ability on the stack, not before you exile a card.
(wotc • 2021-11-19)
Rulings
The controller of Cemetery Desecrator chooses which counters are removed, and they may remove more than one kind of counter. If the target permanent has fewer than X counters, all of them are removed.
(wotc • 2021-11-19)
After you exile a card from a graveyard, another triggered ability goes on the stack. You choose the mode and target as you put that second ability on the stack, not before you exile a card.
(wotc • 2021-11-19)