Groudon

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 Kyogre (Mega) Mega Waterfall / Origin Pulse Elite 30 Estimated DPS
2. 2 Sceptile (Mega) Mega Bullet Seed / Frenzy Plant Elite 28 Estimated DPS
3. 3 Greninja (Mega) Mega Water Shuriken / Hydro Cannon Elite 28 Estimated DPS
4. 4 Kyurem (White) Ice Fang / Ice Burn 26 Estimated DPS
5. 5 Kyurem (Black) Dragon Tail / Freeze Shock 26 Estimated DPS
6. 6 Swampert (Mega) Mega Water Gun / Hydro Cannon Elite 25 Estimated DPS
7. 7 Mewtwo (Mega Y) Mega Confusion / Ice Beam 24 Estimated DPS
8. 8 Rayquaza (Mega) Mega Dragon Tail / Dragon Ascent Elite 23 Estimated DPS
9. 9 Kartana Razor Leaf / Leaf Blade 26 Estimated DPS
10. 10 Chesnaught (Mega) Mega Vine Whip / Frenzy Plant Elite 23 Estimated DPS
11. 11 Shaymin (Sky) Magical Leaf / Grass Knot 23 Estimated DPS
12. 12 Mewtwo (Mega X) Mega Counter Elite / Ice Beam 23 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.