Usopp's Rubber Band of Doom!!! (OP03-054) - Pillars of Strength

[Counter] Up to 1 of your Leader or Character cards gains +2000 power during this battle. Then, you may trash 1 card from the top of your deck.
[Trigger] Draw 1 card and you may trash 1 card from the top of your deck.

This card has been officially errata'd.