Massacre Wurm [Core Set 2021]

Massacre Wurm [Core Set 2021]Set: 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.

Set: XY: Phantom Forces Type: Grass Rarity: Rare

Set: Sword & Shield: Crown Zenith Type: Metal Rarity: Secret Rare Retreat cost: 3

Set: Commander Legends: Battle for Baldur's Gate Type: Creature — Dragon Rogue Rarity: Common Cost: {1}{U} {1}

Set: Gym Challenge 1st Edition Type: Fire Rarity: Common Retreat cost: Colorless

Apostle of Invasion has double strike

Set: Sun & Moon: Hidden Fates Type: Lightning Rarity: Rare Retreat cost: 0

Set: EX: Deoxys Type: Psychic Rarity: Rare

Set: Unknown Event Type: Creature — Human Warrior Rarity: Common When Kylem All-Star enters the battlefield

Set: Innistrad: Double Feature Type: Sorcery Rarity: Common Cost: {B} Target opponent reveals their hand

and the terrible legacy of Yawgmoth lurks in every shadow

{T}: Add an amount of {R} equal to the greatest power among creatures you control that entered the battlefield this turn

but the dimensions make no sense