Only 2x Weakness to Ice and resists Electric, Grass, Water, and Fire. Mold Breaker means EQ can hit Rotom and Hydreigon, and can break Sturdy. Access to Taunt, Swords Dance, and Dragon Dance. Close Combat to slay.
It's a beast and the meta isn't built to handle it. Other Dragons are good, but so is Haxorus. Can handle Zapdos and Suicune. Go try it out.