Massacre Wurm [Core Set 2021] SM241 if all of the monsters

if all of the monsters that were used for the Syncro Summon of that monster are in your GY

negate the effect of a Trap Card that targets this card and destroy it

Shuffle them into the Deck during the End Phase

Set: Archenemy: Nicol Bolas Type: Creature — Human Wizard Rarity: Rare Cost: {R} {R}

Set: Burst of Destiny Card type: Normal Spell Rarity: Ultra Rare Add 1 "Swordsoul" monster from your Deck to your hand

Massacre Wurm [Core Set 2021] SM241 if all of the monstersSet: 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.