Immovable Rod

Unbewegliches Zepter (Immovable Rod) (de)

Artifact (CMC 1)
You may choose not to untap Immovable Rod during your untap step.
Whenever Immovable Rod becomes untapped, venture into the dungeon.
, : For as long as Immovable Rod remains tapped, another target permanent loses all abilities and can't attack or block.