change of heart
"Target 1 monster your opponent controls; take control of it until the End Phase." -Effect Description
A spell card from Yu-Gi-Oh! that became famous for its simple yet powerful "mind control" effect, causing it to be banned since 2004 and spawned several watered-down version with negative drawbacks. It was unbanned in the TCG in 2022, 17 years after it was added to limited list.
Its artwork depicts an angel split into a light and a dark side.
The card (along with other similar "brainwash" card such as Brain Control) also gained similar notoriety within the community as Hypno from Pokemon, as it appeared in several hypnosis NSFW fanarts.