Brandon, Dragon's Ally

+1: All dragons on the battlefield get +1/+0 until end of turn, all other creatures get -1/-0 until end of turn.
-1: Add 2 mana of any color to your mana pool. Mana produced this way doesn't phase out as your turn ends.
-7: Turn any number of creatures you control into 10/10 Cat Dragon tokens with flying, first strike and haste named Inscrabe, Feline Companion.