Talespine, Pall Drake

Flying
{t}: Investigate. (Create a Clue token. It’s an artifact with "{2}, Sacrifice this artifact:
Draw a card.")
{u}{u}{g}, Tap at least one untapped legendary permanent you control: Return target nonland permanent to its owner's hand unless its controller pays {1} for each tapped legendary permanent you control.
"Talespine uncovers the truth, one mystery at a time."