Scarlet Spider, Kaine (143) - Marvel's Spider-Man

Menace (This creature can't be blocked except by two or more creatures.)

When Scarlet Spider enters, you may discard a card. If you do, put a +1/+1 counter on him.

Mayhem (B/R) (You may cast this card from your graveyard for (B/R) if you discarded it this turn. Timing rules still apply.)