Yukari Yakumo

+2: Surveil 1. If you draw the card, scry 1. If you don't, draw the third card from the top of your library.
-10: If any creatures have +1/+1 or -1/-1 counters on them, those counters become part of their base power and toughness.
-X: Exile three times X cards from a graveyard. You may spend mana as though it were mana of any color to play those cards during your turns.