Citadel, Crooked Conglomerate

{t}: Short-stock 1. (To short a stock, target an
artifact token. The owner of that token may sacrifice
it. If they don't, they lose 3 life or discard a card.)
{t}: Add one mana of any color. You lose 1 life.
Whenever a player sacrifices an artifact token, if
that token was the target of a short-stock ability
this turn, you gain 2 life.
"Let me be clear, absolutely not."