Phyrexia: All Will Be One

Anoint with Affliction | Instant | | Exile target creature if it has mana value 3 or less. Corrupted — Exile that creature instead if its controller has three or more poison counters. | David Astruga

Black Sun's Twilight | Instant | | Up to one target creature gets -X/-X until end of turn. If X is 5 or more, return a creature card with mana value X or less from your graveyard to the battlefield tapped. | Jonas De Ro

Offer Immortality | Instant | | Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) | A. M. Sartor

Sheoldred's Edict | Instant | | Choose one — • Each opponent sacrifices a nontoken creature. • Each opponent sacrifices a creature token. • Each opponent sacrifices a planeswalker. | Helge C. Balzer

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

Whisper of the Dross | Instant | | Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Eli Minaya