Shaymin-S might've gotten nerfed as a air flincher, but jirachi seems to fill the void with it's 200 base speed
Jirachi
Name: Shaymin 2.0
Item: lefties/choice band/life orb/focus sash
EVs: 252atk, 252spe 4hp Adamant/Jolly
Moves:
Iron Head
Body Slam
Zen Headbutt/Snore/SleepTalk(If you get...