Nix

Split second.
Nix's power is equal to the highest power among creatures you control. The same is true for Nix's toughness.
Nix has Haste if a creature you control has Haste. The same is true for Flying, Vigilance, Hexproof, Trample, Haste, Menace, Indestructible, Deathtouch, Reach, First Strike, Double Strike, Lifelink, and Myriad.
Protection from colors of permanents you control.