Satan, Lord of Demons

When Satan enters the battlefield you lose half
your life total
Demons you control get +4/+4 and lifelink
pay 10 life, {b}{b}{b}{b} : choose one
• create 8 1/1 black imp creature tokens with
flying • create 2 4/4 black demon tokens
with flying and fear • create 1 8/8 demon
knight with first strike and phasing