"Straight from your childhood and back to the battlefield, it's the return of Rainbow is Magic!"— Event Description Rainbow is Magic is an April Fools-themed limited time event in Tom Clancy's Rainbow Six Siege that was originally introduced during the Operation Burnt Horizon expansion.[1] The event initially ran from April 1st, 2019 to April 8th, 2019 but had its end date extended to April 15th, 2019 due to its popularity.[2] The event returned as an Arcade Mode during the Crimson Heist expansi