Elowen, Sylvan Guardian

+1: Look at the top three cards of your library. You may reveal an Elf card from among them and put it into your hand. Put the rest on the BoL
-2: Create a 2/2 green Elf Warrior creature token. If you control three or more Elves, create two of those tokens instead
-7: You get an emblem with "Elves you control have +2/+2 and trample. Whenever an Elf enters the battlefield under your control, draw a card"