Yoo Junghyuk, Spreme King

Regress {3}{b}{b}{b} (You can cast Yoo Junghyuk
from your graveyard by paying its regress cost. A
creature can only regress if they were sent to the graveyard from the battlefield.)
Level Up {1}{b}
Level 2-3: Flying (6/6)
Level 4-5: Flying, Hexproof (8/8)
Level 6: Flying, Hexproof (10/10)