Tiger, Flighty Dinosaur

+1: Until end of turn, Tiger becomes a legendary 4/4 green, white, red Bird creature with flying, indestructible, and haste.
-3: Create two 4/4 green, white, red Bird creature tokens with flying and devour 1.
-9: Destroy all non-Bird creatures. Birds you control get +2/+2, haste, double strike, and indestructible until end of turn.