Pyrogremlin

When Pyrogremlin enters the battlefield, choose one.
• Draw 3 cards.
• Target opponent loses X life and you gain X life,
where X is the number of black/red creatures you control.
{t}: Target Gremlin you control gets +1/+1.
{b}{r}: Destroy target creature.
'Or was it the RED wire?'
- Grozzel the Pyrogremlin, last words.