Phyrexia: All Will Be One

Plated Onslaught | Instant | | Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Creatures you control get +2/+1 until end of turn. | David Auden Nash

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

Minor Misstep | Instant | | Counter target spell with mana value 1 or less. | Lorenzo Mastroianni

Reject Imperfection | Instant | | Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | David Astruga

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

Rebel Salvo | Instant | | Affinity for Equipment (This spell costs {1} less to cast for each Equipment you control.) Rebel Salvo deals 5 damage to target creature or planeswalker. That permanent loses indestructible until end of turn. | Khurrum

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

Tyvar's Stand | Instant | | Target creature you control gets +X/+X and gains hexproof and indestructible until end of turn. (A creature with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.) | Kieran Yanner