Nala, Master of Concealment

Hexproof
Whenever Nala, Master of Concealment deals
combat damage to a player, you may cast a spell
from your hand with converted mana cost less
than or equal to Nala, Master of Concealment's
power without paying its mana cost.
Whenever you draw a card, Nala, Master of Concealment gets +1+0 until end of turn.