Unknown

X: Destroy target creature X=1; Draw a card X=2; Deal 1 damage to 1 target X=3.
0: This becomes a 4/4 dragon with flying until end of turn, Prevent all damage to this this turn.
-X: Destroy all creatures X=12, Destroy all enemy creatures X=20,enemy creatures become a 0/1 with when opponent attacks destroy this X=16