Unassuming Spy

You may Have Unassuming Spy enter the battlefield under your opponents control.
If you do, they may pay {x}, and
Unassuming Spy gains -2/-0 and Defender.
•If X is not payed, draw a card.
•If X is higher than one, create a clue token.
•If X is higher than two, sacrifice
Unassuming Spy. create a clue token.