what is aggro in hearthstone
Aggro-deck is a term borrowed from games like Magic the Gathering. It means a deck that intends to play aggressively and kill your opponent as quickly as possible. An aggro deck in Hearthstone is characterized by the following: Low mana curve (allows you to play many cards quickly) Aggressive creatures (high power relative to toughness) with abilities like charge, battlecry, overload and stealth.