Kopís, Bringer of Soul Fog

Deathtouch, Reach
{x}{b}{b}{g}: Put X -1/-1 counters on all opponent's creatures. Kopis power and toughness become equal to the number of creatures that have died this turn.
{1}{u}{r}{t}: Deal X damage to target opponent and draw X cards, where X is equal to either the number of creatures that have died this turn, or the number of creatures with a -1/-1 counter on them.