Feaven, Skycloud Champion

+1: Create a Skycloud Egg artifact token with "{1}{t}, Sacrifice this token: Add {w}{u}, and draw a card."
0: Target creature gets +1/+1, Flying and Vigilance until end of turn. Scry 1.
-6: Creatures you control get +1/+3, Flying, Vigilance, and First Strike until your next upkeep. Detain target creature.