Game Master

: Protection from everything. At the beginning of your end step, put a loyalty counter on each Planeswalker you control.
-X: All opponents lose X life and X number of their target permanents are exiled, you gain X life and your creatures gain X number of +1/+1 counters.
-X: Search for a card/cards you own with a total converted mana cost of X and cast it/them for no mana cost or put it/them into your hand.