Mind-splitter Elemental

-3: Tap or untap another legendary creature, if it is a planeswalker then put four loyalty counters on Mind-splitter Elemental and draw 2 cards.
+5: Your lose 5 Life and skip your next turn. Use this loyalty ability only during your ending phase.
-13: Exile the top 8 cards of every library. Until end of turn you may play up to 8 of these cards without paying their mana costs.