Massacre Wurm (Borderless Alternate Art) [Core Set 2021] 21a and Unicorns you control get

and Unicorns you control get +1/+1

equal to the number of cards you returned to the hand

If that card is a monster

and Special Summon it in face-up Defense Position

Set: Ikoria: Lair of Behemoths Type: Legendary Creature — Nightmare Beast Elemental Rarity: Mythic Cost: {2}{B}{G}{U} Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost

Massacre Wurm (Borderless Alternate Art) [Core Set 2021] 21a and Unicorns you control getSet: 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.