Crown of Doom

Whenever a creature attacks you or a planeswalker you control, it gets +2/+0 until end of turn. {2}: Target player other than this artifact's owner gains control of it. Activate only during your turn.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o5rz435rppb1hxaouqrfn.