Ciri, Ashen One

+2: Draw a card if you control the creature with the greatest power or tied for the greatest power.
0: Until end of turn, Ciri, Ashen One becomes a 4/4 Human Soldier creature with trample and indestructible that's still a planeswalker.
-6: Put two target lands on top of their owners' libraries. Take an extra turn after this one.