Unbreakable Spirit

Yu-Gi-Oh Card: Unbreakable Spirit
Available from these partners:
Unbreakable Spirit
Type:Normal Trap
Text:If you control only 1 face-up monster: Target that monster; until the end of this turn, it gains ATK equal to the ATK of the monster your opponent currently controls with the lowest ATK (your choice, if tied).
Printings: Battle Pack 3: Monster League (BP03-EN234)