Legality depends on the tournament format -- Destiny HERO - Dreadnought Servant can be legal in some formats and banned or restricted in others
Premium textured full-art cards, similar to the SAR role in SV-era sets MA (MEGA Attack Rare) : Dynamic battle-scene artwork featuring MEGA evolutions BWR (Black/White Rare) : Stylized black-and-white illustrations, a unique aesthetic These dont appear in older SV-era sets, so if youre opening MEGA-era boxes (Mega Dream EX, Mega Brave, Mega Symphonia, etc.), look for these new symbols
Master of Oz doesn't have an effect, and may require at least one of its fusion materials, but it's a much easier monster to get out on the field than it once was
Honestly, the army of snake tokens usually ends up being the true threat, anyway
Agatha's Soul Cauldron exiles creatures from the graveyard and gives all their activated abilities to creatures with +1/+1 counters on them