Necrogen Rotpriest (Phyrexia: All Will Be One)

Creature Ñ Phyrexian Zombie Cleric - Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)
Whenever a creature you control with toxic deals combat damage to a player, that player gets an additional poison counter.
{1}{B}{G}: Target creature you control with toxic gains deathtouch until end of turn.