Promise of Loyalty
Sorcery
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
Sara Winters
Magic Online Promos (PRM)
• #89994Rulings
If the vow counter is moved to another creature, it won't prevent the second creature from attacking normally.
(wotc • 2021-04-16)
If the vow counter is removed from the creature, it can attack as normal.
(wotc • 2021-04-16)
Each player, including you, must put a vow counter on a creature they control if able. They can't choose to opt out and sacrifice all of their creatures. The creature you put a vow counter on will remember its promise if another player gains control of it.
(wotc • 2021-04-16)
Rulings
If the vow counter is moved to another creature, it won't prevent the second creature from attacking normally.
(wotc • 2021-04-16)
If the vow counter is removed from the creature, it can attack as normal.
(wotc • 2021-04-16)
Each player, including you, must put a vow counter on a creature they control if able. They can't choose to opt out and sacrifice all of their creatures. The creature you put a vow counter on will remember its promise if another player gains control of it.
(wotc • 2021-04-16)