Frieren, Treasure Hunted

Indestructible
Whenever one or more treasure token enters the battlefield, tap Frieren, Treasure Hunted. If it's already tapped, put a stun counter on it.
{1}, {t}: Zoltraak -- Deal 2 damage to any target.
{3}, {t}: Bogyo maho -- Prevent all damage that would
be dealt to target permanent or target player this turn.
{x}{2}{g}{g}{u}{u}{r}{r}: Exile Frieren, Treasure Hunted,
then return her to the battlefield transformed under her
owner's control, where {x} is the stun counters on her.