Zarai, Contained

+1: Creatures you control gain +1/+1 and vigilance until end of turn. Then, if X was 4 or more, draw a card.
-1: Search your library for a basic plains card, put it onto the battlefield tapped and shuffle your library. If X was 4 or more, it enters untapped.
-9: Destroy all nonland permanents, then search your library for any nonland card with converted mana cost of twice X or less. It gains haste.