Ulti-Mortar (OP01-118) - Romance Dawn

[Counter] DON!! -2 (You may return the specified number of DON!! cards from your field to your DON!! deck.): Up to 1 of your Leader or Character cards gains +2000 power during this battle. Then, draw 1 card.
[Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active.

This card has been officially errata'd.