Sia, Guardian of Yavimaya

+1: Reveal the top four cards of your library. Put a permanent card from among them into your hand and the rest on bottom of your library.
-2: Tap target creature. That creature doesn't untap during its controller's next untap step. Create a copy of that creature.
-7: For each player, search that player's library for a creature card and put it onto the battlefield under your control.Those creatures gain haste.