Ephea, The Slinking Sneak

+1: use a +(0,1, or 2) ability of any other Planeswalker on the board.
-2: Use a -(1,2, or 3) of any other Planeswalker on the board.
-8: You get an emblem: "Planeswalkers your opponents control may not use their large set offs for the rest of the game."