Ludwig, The Holy Blade

First strike, Menace, Vigilance, Trample
Ludwig, the Holy Blade's power is 8 + X and his toughness is 4 + X, with X being the number of Insight Tokens placed on Ludwig.
Every time Ludwig is blocked, place Y Insight Tokens on him, with Y being the number of creatures blocking him.

If Ludwig, the Holy Blade is sent to the graveyard from the battlefield, exile him.
If there are ever 6 or more Insight Tokens on Ludwig, immediately exile him.