Vesuvan Shapeshifter [Commander 2019] Cat Monk "The reign of the Swarm

"The reign of the Swarm begins

it's something else

Whenever a Gate enters the battlefield under your control

sacrifice Hungry Hungry Heifer

When enchanted permanent dies or is put into exile

Vesuvan Shapeshifter [Commander 2019] Cat Monk "The reign of the SwarmSet: Commander 2019 Type: Creature Shapeshifter Rarity: Rare Cost: {3}{U}{U} As Vesuvan Shapeshifter enters the battlefield or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has "At the beginning of your upkeep, you may turn this creature face down." Morph {1}{U}