Cave Spider, the Vicious

Haste, first strike, vigilance, shroud
When Cave Spider enters the battlefield, tap
target creature an opponent controls.
Whenever Cave Spider deals combat damage to a creature, put two -1/-1 counters on it.
Whenever Cave Spider deals combat damage to a player, that player discards a card.
{3}{b}{b}{r}{r}: Cave Spider gains deathtouch until
end of turn.
It's always watching, waiting to strike.