Who wins?
Grimmsnarl vs Swampert
Swampert wins 55% to 45%. 107 more put them in the same row. From Pokemon VGC (Pokemon Champions) Tier List. Pick a side.
LostGoblin15 on Grimmsnarl: prankster screens grimmsnarl with light clay. reflect, light screen, parting shot. 14.7% at m-b launch then kinda faded to 5% by m-c
sandwichmain10 on Swampert: mega swampert in rain with wave crash, earthquake and ice punch was a big m-b launch thing at 14.6%. dropped to 8% by july when people figured it out
Pokemon VGC (Pokemon Champions) Tier List: the full ranking