pokemon horizons gem 3 booster box Pokémon Chinese 151 Horizon Vol CBB3C [Simplified Chinese] language Pokémon cards featuring iconic favorites and exciting newcomers Chinese Pokemon Horizons Gem Pack

It debuted on cards like Astral Steel and Sprouting Vines, which were mediocre on their own but gained value if you played them as the second or third card that turn

C Common Crystal Beast Sapphire Pegasus X WIND Level 4 [ BeastEffect ] ATK 1800 DEF 1200 When this card is Summoned: You can place 1 "Crystal Beast" monster from your hand, Deck, or GY, face-up in your Spell & Trap Zone as a Continuous Spell

Summer Bloom threw this rule out of the window by allowing its caster to play three additional lands in a single turn

Changshi the Spiridao

the idea to cover basic lands was brought up, and I jumped at the chance

So, a green-black deck would be a GB deck