Guide to Three-type Cores - Smogon University

Tripping Hazards: A Competitive Guide to OU Entry Hazards - Smogon University

A Guide to DPP Sunny Day Teams - Smogon University

Resource - SV OU Great Cores

Brick by Brick: Wallbreakers in USM OU - Smogon University

UU Cores: Community Article

Steel-types in SS UU - Smogon University

Smogon University

Smogon Forums

Ubers Cores - Smogon University

Looking back on an era: ORAS Monotype - Smogon University

Smogon University - The sample team for this week is a balance OU team made by lyd, featuring a defensive Sylveon + Hippowdown core! Importable: This is a balance team built

Resource - ADV OU Teambuilding/Strategy: Archetypes and Cores -- A Data-Driven Approach

Resource - PU Good Cores

OU Metagame Analysis - Smogon University

Resource - SV OU Good Cores