Theft

Covers cards that take control of an opponent's permanent indefinitely, with no 'until end of turn' clause. Includes aura-based steals like Control Magic and Sower of Temptation, enter-the-battlefield grabs like Agent of Treachery, exchange effects like Gilded Drake, and mass control-grabs like Mass Manipulation. Distinct from interaction.threaten, which only borrows a creature for a single turn to swing and sacrifice. Also distinct from interaction.counterspell and interaction.redirect, which act on the stack before a spell resolves rather than claiming a permanent already on the battlefield.