Reynar the Incorrigible

Deathtouch, Haste, First Strike.
When a creature dies, return target creature from a graveyard to the battlefield tapped under your control. Put a -1 -1 counter on that creature.
{b}{b}: Destroy target creature. Its controller gains 4 life.
When a creature is put into a graveyard from anywhere, Reynar gets +4 +0 until end of turn.