Phyrexia: All Will Be One

Bonepicker Skirge | Creature | Phyrexian Imp | Flying Corrupted — As long as an opponent has three or more poison counters, Bonepicker Skirge has deathtouch and lifelink. | Dave Kendall

Cutthroat Centurion | Artifact Creature | Phyrexian Warrior | Sacrifice another artifact or creature: Cutthroat Centurion gets +2/+2 until end of turn. Activate only once each turn. | Ariel Perez

Infectious Inquiry | Sorcery | | You draw two cards and you lose 2 life. Each opponent gets a poison counter. | Eli Minaya

Stinging Hivemaster | Creature | Phyrexian Warlock | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Stinging Hivemaster dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." | Lie Setiawan

Vraska's Fall | Instant | | Each opponent sacrifices a creature or planeswalker and gets a poison counter. | Dibujante Nocturno