Incomprehensible, Chitoge (NK/W30-E069 C) [NISEKOI -False Love-]

[AUTO] When another of your {Key} or {Weapon} character attacks, this card gets +1000 power until end of turn. [AUTO][(1)] When this card's level 2 or higher battle opponent becomes REVERSE, you may pay the cost. If you do, search your deck for up to one {Key} or {Weapon} character, reveal it to your opponent, and put it into your hand. Shuffle your deck afterwards.