Details: Heroic Duels – 6932 MMR
Passives: Optimized Polarity & Emerald Goggles

Emerald goggles require us to be strategical and think multiple steps further of our starting hands. For example, if you get one or more cost-reducing mechs in your hand, you can consider to keep Gaia so that you can play Gaia on turn 4 or even turn 3 which is a game winning move.