Shaman

Haste, First strike
Shaman enters the battlefield with X +1/+0
counter on it.
X is power of all your creatures.
Shaman has Trample as long as it has five or more +1/+0 counters.
{b}{b}{b}{b}{b}{r}{r}{t}: Target player discard three permanents, then loses 5 life. You draw
three cards and gets 5 lifes.