Shimmerwing, Queen of Dusk

Flying
Other Alicorns, Horses, Pegasus, and Unicorns you control get +1/+1
{w}{u}{b}{r}{g}: If you control Abuko, the Vexillus; Thresh, the Timid; Abaccan, the Mauve; Chrom, Prismatic Speedster; and Raera, the Mythic, each player wins the
game.