Brionac, Dragon of the Ice Barrier (DUSA-EN073)

1 Tuner + 1+ non-Tuner monsters

You can discard any number of cards to the GY then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of Brionac Dragon of the Ice Barrier once per turn.

Effect Synchro Monster, Duelist Saga