Mad Scientist

Experiment {w}{t} Choose a target creature
you control, except Mad Scientist and roll a D20.
1-4: Creature gets -3/-3 and Indestructible
5-9: Creature gets +1/+1
10-14: Creature gets -1/-1 and Lifelink
15-17: Creature gets -2/-2 and Vigilance
18-19: Creature gets +2/+2 until end of turn
20: Creature gets +5/+5 and trample, then Mad
Scientist and target creature dies at end of turn.