Pessimistic Knight

If both {u/b} were paid with blue mana, you may draw a card, then discard three cards. If you do, target opponent does the same.
If both {u/b} were paid with black mana, you may put a -1/-1 counter on Pessimistic Knight. If you do, you may put a -1/-1 counter on up to two target creature target opponent controls.
"Fighting will only ensure our defeat, so why bother ? "