Whenever another nontoken creature enters the battlefield under your control,
investigate (To investigate, create a colorless Clue token. It's an artifact with "
, Sacrifice this artifact: Draw a card.").
![%T](graph/manas_txt/T.png)
, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.