Paradise Waterfall (Premium Card Collection -Best Selection Vol. 1-) (OP01-057)

[Counter] Up to 1 of your Leader or Character cards gains +2000 power during this battle. Then, set up to 1 of your Characters as active.
[Trigger] K.O. up to 1 of your opponent's rested Characters with a cost of 4 or less.

This card has been officially errata'd.