Thoughtseizer Serpent

Thoughtseizer Serpent is Black.
{b}, Pay 2 life, Exile Thoughtseizer Serpent from your hand: Target opponent reveals their hand. You choose a nonland card from it. Exile that card with Thoughtseizer Serpent.
Put a card exiled with Thoughtseizer Serpent into your hand: Put Thoughtseizer Serpent from exile onto the battlefield under its owner's control. Only the owner of the exiled card can use this ability.