Performage Mirror Conductor

[ Pendulum Effect ] Once per turn: You can target 1 face-up Special Summoned monster on the field; its ATK and DEF become equal to its current ATK or DEF (whichever is lower) until the end of this turn (even if this card leaves the field).

[ Monster Effect ] Once per turn, during either player's turn: You can target 1 face-up monster on the field; switch its current ATK and DEF, then take 500 damage. This ATK and DEF change lasts until the end of this turn.

From Yu-Gi-Oh! Trading Card Game.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6nrfx34q6ksb1izbikprip.