The Hollow Knight

The Hollow Knight enters tapped with five
chain counters. As long as it has chain counters on it, The Hollow Knight isn't a creature. Whenever a creature enters the battlefield from your graveyard, remove a chain counter from The Hollow Knight.

Enrage — Whenever this creature is dealt damage, gain control of target nonland permanent. This ability triggers only twice each turn.

Whenever The Hollow Knight attacks, it deals 2 damage to itself.