Can I choose not to set any DON!! cards as active when using this [Counter] effect?

[ST02-016] - Repel (Starter Deck 2: Worst Generation) - One Piece Card Game

[ST02-016] - Repel (Starter Deck 2: Worst Generation)

[Counter] Up to 1 of your Leader or Character cards gains +4000 power during this battle. Then, set up to 1 of your DON!! cards as active.

2 stores currently have this card in stock.

[Counter] Up to 1 of your Leader or Character cards gains +4000 power during this battle. Then, set up to 1 of your DON!! cards as active.

Market Price

USD 0.10

All time High (last 6 months)

USD 0.15

All time Low (last 6 months)

USD 0.10

2 stores currently have this card in stock.