Digivolve: 9 from [Snatchmon] [When Digivolving] You may place up to 4 [Vemmon] from your trash at the bottom of this Digimon's digivolution cards. Then, if this Digimon has 8 or more [Vemmon] in its digivolution cards, delete 1 of your opponent's Digimon. [All Turns] When this Digimon would leave play, you may prevent it from leaving play by returning 4 [Vemmon] from this Digimon's digivolution cards to the bottom of your deck. [Start of Your Main Phase] Trash the top card of your opponent’s security stack.