Daring Sleuth // Bearer of Overwhelming Truths

Card text

When you sacrifice a Clue, transform this creature.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever this creature deals combat damage to a player, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")