Isshin Ashina

Deathblow 2, Firststrike, Haste.
Ashina Cross: Creatures your opponent control
take 2x damage, and lose Indestructible.
One Mine: If this creature has one Deathblow counter, this creature cant be blocked, and if an opponent takes combat damage from this
creature, destroy one artifact, then each creature
they control takes 6 damage.