Phyrexia: All Will Be One

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

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

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

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