[FE7US] Christmas Crossover Carol

So after taking inspiration from SOMEWHERE I decided to put together a single-chapter Christmas-themed crossover hack for fun, featuring characters from Fire Emblem and Advance Wars and a surprise appearance from another IntSys game.

Patch to FE7 US: https://www.mediafire.com/file/7z6t9cp3jul9wk9/FEChristmasPatch1.ups/file

Screenshots: (Note that I took all these before changing the enemy palette to a yellow color)