事(じ)件(けん)現(げん)場(ば)の分(ぶん)析(せき)者(しゃ) (Aftermath Analyst)
Creature — Elf Detective · {1}{G}
When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)
{3G}, Sacrifice this creature: Return all land cards from your graveyard to the battlefield tapped.