殺(さつ)戮(りく)の解(かい)釈(しゃく)者(しゃ)

When this creature enters, discard your hand, then investigate four times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

As long as you have one or fewer cards in hand, this creature gets +2/+2 and has menace.