Merchant of Rishaden Port

When Merchant of Rishaden Port enters the battlefield, it explores.(Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then
put the card back or put it into your graveyard.)
Whenever a +1/+1 counter is placed on
Merchant of Rishaden Port, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")