Xander, Wizard Extrordinaire

When Xander, Wizard Extrordinaire enters the battlefield or attacks, create a blue 4/1 illusion creature token with flying and "When this
creature is targeted by a spell or ability, sacrifice
it." The token is tapped and attacking.
Bargain—Discard a card: Return X permanents
to their owners hands, where X is the discarded
cards converted mana cost.