Theres both a smaller card pool and a smaller segment of friendly pals than in most releases
Ruby: Many of the characters in this color offer the player the opportunity to remove their opponent's hard-earned Lore
With the printing of Kaito Shizuki, a unique ability called phasing returns to the game
LOCH-J001 Pharaoh no Shimobe Black Magician / Dark Magician, the Pharaohs Servant LOCH-JP004 Favorite HERO Shining Flare Wingman LOCH-JP007 Stardust Dragon Victim Sanctuary LOCH-JP010 Numbers 39 Hikari no Shisha Kibouoh Hope / Number 39: Utopia the Envoy of Light LOCH-JP013 Shiten no Ryuu Odd-Eyes Pendulum Dragon / Odd-Eyes Pendulum Dragon of the Four Heavenly Dragons LOCH-J016 Decode Talker Integration LOCR Likewise, each of the protagonists rivals ace monsters receive an over-frame upgrade in the Rivals collection
cards like Dedenne-GX, Crobat V, and Shaymin-EX aren't around, so decks can't dig as aggressively as they can in Expanded
Its difficult to work out power level with strangers, so having a bigger list of the most powerful/problematic cards and then being able to say that three of them is level X, six is level Y, and so on, gives people a way to say, quickly and cleanly, how tuned and powerful their deck is