Xur, Dragonlord of Death

Flying, Haste, Deathtouch.
When Xur, Dragonlord of Death is put into a graveyard, Search your library for a basic land, choose target opponents, if target opponent says the name of the chosen land, Xur, Dragonlord of Death stays in the graveyard but if target opponent doesn't say the name, Xur, Dragonlord of Death returns to the battlefield.