The Kriminalkommissar

When Kriminalkommissar enters the battlefield, name a card. Permanents with the chosen name are considered detained as long as Kriminalkommissar is on the battlefield.

On each players end step, detained creatures get a - 1 - 1 counter, and detained planeswalkers lose 1 loyalty counter.

{3}:Change the chosen card name to a different card name. Any player may activate this ability, but for players besides this permanent's owner, this ability costs {1} more
to cast for each Nazi permanent in play.