Xurkitree

The best possible counters, at level 50 with perfect IVs.

Log in to see which ones you have and what you're missing.

1. 1 Groudon (Mega) Mega Mud Shot / Precipice Blades Elite 44 Estimated DPS
2. 2 Garchomp (Mega) Mega Mud Shot / Earthquake 39 Estimated DPS
3. 3 Landorus (Therian) Mud Shot / Sandsear Storm Elite 39 Estimated DPS
4. 4 Mamoswine Shadow Mud-Slap / High Horsepower 38 Estimated DPS
5. 5 Groudon Mud Shot / Precipice Blades Elite 34 Estimated DPS
6. 6 Mewtwo (Mega Y) Mega Confusion / Psystrike Elite 35 Estimated DPS
7. 7 Eternatus Poison Jab / Dynamax Cannon Elite 32 Estimated DPS
8. 8 Mewtwo (Mega X) Mega Counter Elite / Psystrike Elite 34 Estimated DPS
9. 9 Excadrill Mud-Slap / Earthquake 33 Estimated DPS
10. 10 Swampert (Mega) Mega Mud Shot / Earthquake 33 Estimated DPS
11. 11 Heracross (Mega) Mega Fury Cutter / Earthquake 33 Estimated DPS
12. 12 Mamoswine Mud-Slap / High Horsepower 32 Estimated DPS

Ranked by estimated cycle DPS (type effectiveness, STAB, the shadow bonus and the target's defense). Not a battle simulation: no dodging and no survivability, so a fragile Pokémon can rank higher here than on other sites.