Mistway Spy

Creature — Merfolk Detective

Flying

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up at any time for its disguise cost. While face down, whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Mistway Spy is turned face up, until end of turn, whenever a creature you control deals combat damage to a player, investigate. (Create a Clue token. It's a colourless artifact with ", Sacrifice this artifact: Draw a card.)