Rexx, The cave delver

+2: Rexx, the cave delver becomes a x/x legendary creature token, where x is 2 plus the number of Abyssal lands you control until end of turn.
-2: Search your library for a card named Rin, the Cave Delver and place it in your hand.
-6: Legendary creatures and Planeswalkers you control gain indestructible, trample, and linklink.