Battle Mania

Yu-Gi-Oh Card: Battle Mania
Available from these partners:
Battle Mania
Type:Normal Trap
Text:Activate only during your opponent's Standby Phase. All face-up monsters your opponent controls are changed to Attack Position, and cannot change their battle positions this turn. All monsters your opponent currently controls must attack this turn, if able.
Printings: Crossroads of Chaos (CSOC-EN063)
Duelist Pack 8: Yusei (DP08-EN025)