Denif, Water El Master

+2: Draw 3 cards, if any of those cards is an Instant or Sorcery spell you may cast it this turn without paying their mana cost.
-2: Put a Denif's Sigil token into play under your control into play with: "As long as this is in play, you have no maximum hand size."
-7: Until your next turn, you may cast spells or abilities without paying their mana cost.