Ragnor the Corrupted

-X: Give target planeswalker X +2 loyalty. Ragnor, the Corrupted can be target planeswalker
-X: Deal X damage to target planeswalker. if target planeswalker is under your control, draw X cards
+8: Sacrifice a planeswalker, destroy as many creatures as you like, then, deal as many damage as creatures you distroyed to its owner