Phyrexia: All Will Be One

Nimraiser Paladin | Creature | Phyrexian Knight | Toxic 2 (Players dealt combat damage by this creature also get two poison counters.) When Nimraiser Paladin enters the battlefield, return target creature card with mana value 3 or less from your graveyard to your hand. | José Parodi

Vat Emergence | Sorcery | | Put target creature card from a graveyard onto the battlefield under your control. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Andreas Zafiratos

Vivisection Evangelist | Creature | Phyrexian Cleric | Vigilance Corrupted — When Vivisection Evangelist enters the battlefield, if an opponent has three or more poison counters, destroy target creature or planeswalker an opponent controls. | Igor Kieryluk