Airi, Feral Messenger

+1: Target creature you control gets +1/+1 and gain first strike and trample until end of turn.
-1: Airi, Feral Messenger becomes a legendary 3/3 green and white Cat Warrior creature with first strike and trample until end of turn.
-5: Creatures you control get +1/+1 and gain first strike and trample until end of turn.