Elven Entomologist

Landfall - Whenever a land enters the battlefield under your control, create a
1/1 green Insect creature token.
{t}, Sacrifice an Insect creature you control: Investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")
"They don't talk, but they can tell me so much. And you can find them everywhere!"