Massacre Wurm [Core Set 2021] Merfolk Rogue Warrior you may have Ally creatures

you may have Ally creatures you control get +1/+0 until end of turn

Set: Duel Decks Anthology Type: Sorcery Rarity: Common Cost: {2}{B} Target creature gets -3/-3 until end of turn

Those who seek to disturb the harmony of life will see their instruments taken from them

Set: Mystery Booster Type: Creature — Human Archer Rarity: Common Cost: {1}{R} Whenever you cast a noncreature spell

*King Henry V*

Massacre Wurm [Core Set 2021] Merfolk Rogue Warrior you may have Ally creaturesSet: Core Set 2021 Type: Creature Phyrexian Wurm Rarity: Mythic Cost: {3}{B}{B}{B} When Massacre Wurm enters the battlefield, creatures your opponents control get 2 2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.