flavorText: "Listen to my story. This may be our last chance."
  —Tidus
name: Promise of Loyalty
printings: BLC, C21, CMM, FIC, MKC, MOC, PRM, SOC
text: 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.
type: Sorcery