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.
"My mom says two heads are better than one. Isn't that the Borg philosophy, too?"
—Naomi Wildman
![Promise of Loyalty (Surge Foil) [Star Trek Commander]](http://www.dungeonsandjavas.com/cdn/shop/files/ef44081c-88c8-5e81-a54e-181a9a9ff613.png?v=1793217112&width=1445)
