digimon card library Amazon.com: Bandai Namco - BANDAI | Digimon Card Game:

Is Empress Galina a Merfolk

A rare robot monster might unlock an entire subset of cards with a robotic theme

On eBay , it will cost you close to $200 for a World Championship Gaea's Cradle, which is less than you'd pay for a tournament-playable copy for sure but also a ton to pay for a card that is explicitly not legal for tournament play

Another problem that he has is that in order to really go off with him, you need a lot of cheap spells

Spreading out your threats is always a good idea, and if someone plays an enchantment or creature only boardwipe, due to having no artifacts to fall back on, youre going to get behind on other players