Massacre Wurm [Jumpstart 2022] Human Barbarian Warrior if The Ozolith has counters

if The Ozolith has counters on it

Beeeeeeep — Whenever another creature you control becomes the target of a backup ability

Planeswalkers you control of the chosen type have hexproof

Set: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{B} Target player with exactly seven poison counters loses the game

Massacre Wurm [Jumpstart 2022] Human Barbarian Warrior if The Ozolith has countersSet: Jumpstart 2022 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.