Musashi, Umezawa Kensei

Bushido X where X is the number of Invencible counters on this permanent + 1.
Whenever this permanent deals damage to player,
put a invencible counter on it.
Remove 5 Invencible counters from this card:
put one counter of your choice between indestructible, double strike,
deathtouch, hexproof, lifelink, menace, unblockable, trample, vigilance, and +2/+2 on
this card