Scatha, Savage Mastermind

+1: Until your next turn, Scatha, Savage Mastermind becomes a 5/5 Dragon creature with flying that has indestrutible and haste.
-2: You draw 2 cards, gain 2 life, opponent loses 2 life and discards 2 cards.
+10: Create 5 4/4 Dragon token creatures with flying, they gain haste and attack each combat as long as Scatha, Savage master mind is on the battlefie