Cardfight!! Vanguard - Lyrical Monasterio Season of Wonders - Stille Nacht (RRR) DZ-LBT02/019EN

Perform one of the following. ・Choose a unit being attacked, and it gets [Power]+10000 until end of that battle. If your opponent's attacking unit is a rear-guard, it gets [Power]+20000 instead of +10000. ・If an attack hit your vanguard this turn, choose a unit being attacked, and it gets [Power]+30000 until end of that battle.