Agatiya of Broken Soul

Deathtouch, Trample,
Whenever this creature transforms into Agatiya of Broken Soul place three mourning counters on it and then tap it. It does not untap during its controllers untap step if it has a mourning counter on it.
While tapped Agatiya of Broken Soul takes half damage from all sources except silvered ones.
While untapped Agatiya of Broken Soul has shroud.
Agatiya of Broken Soul attacks each turn if able.