Lestala, Guildless Pickpocket

When Lestala, Guildless Pickpocket attacks, you
can sacrifice a Treasure. If you do, Lestala,
Guildless Pickpocket can't be blocked this turn.
When Lestala, Guildless Pickpocket deals damage to a player, that player discards a card.
Sacrifice 3 Treasure: Gain control of Lestala, Guildless Pickpocket. Any player can play this
ability only when they can play a sorcery.