Phyrexia: All Will Be One

Compleat Devotion | Instant | | Target creature you control gets +2/+2 until end of turn. If that creature has toxic, draw a card. | Filipe Pagliuso

Resistance Reunited | Instant | | Target creature gets +2/+2 until end of turn. Equipped creatures you control gain indestructible until end of turn. | Aurore Folny

Bring the Ending | Instant | | Counter target spell unless its controller pays {2}. Corrupted — Counter that spell instead if its controller has three or more poison counters. | LA Draws

Experimental Augury | Instant | | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Donato Giancola

Prologue to Phyresis | Instant | | Each opponent gets a poison counter. Draw a card. | Simon Dominic

Serum Snare | Instant | | Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Lauren K. Cannon

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

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

Blazing Crescendo | Instant | | Target creature gets +3/+1 until end of turn. Exile the top card of your library. Until the end of your next turn, you may play that card. | Tiffany Turrill

Thrill of Possibility | Instant | | As an additional cost to cast this spell, discard a card. Draw two cards. | PINDURSKI

Infectious Bite | Instant | | Target creature you control deals damage equal to its power to target creature you don't control. Each opponent gets a poison counter. | Campbell White

Titanic Growth | Instant | | Target creature gets +4/+4 until end of turn. | WolfSkullJack