Oni Power is a Union Arena card from Re:ZERO -Starting Life in Another World- UA40BT/REZ-1-031. Compare listings from Singapore Union Arena sellers on CardJio, then jio them on WhatsApp.
Card type
EVENT
Color
Yellow
Energy
4
AP
1
Trigger
Special
Source title
Re:ZERO -Starting Life in Another World-
Card Text
Choose one character with {3000 or less BP} on your opponent's front line and sideline it. If <Rem> is on your field, {5000 or less BP} instead.