Zangetsu, Moon Slayer

Equip {3} Equip Legendary Samurai {0}

Equipped creature has lifelink and "Whenever
this creature deals combat damage, put that
many reishi and +1/+1 counters on it."

Shikai-If there are 3 or more reishi counters
on the equipped creature, it has reach.

Bankai- If there are 7 or more reishi counters
on the equipped creature, it has indestructible.