Lands having one combined or several separate mana abilities has no direct gameplay effect, but is due to templating reasons
Surtr says that in order to get to the next floor, duelists will have to duel each other to remove weaker duelists, but also defeat the Transcender, which is using a deck modeled after one used by an early opponent in the anime
For a full breakdown of the differences, see our Japanese vs English Pokemon Cards comparison
GX Packs Alexis Pack Cyber Angels Nekroz Archfiends Geminis Dark Scorpions Solemn Cards Forbidden Cards Bastion Pack Dark Worlds Elemental Lords Vampires Dinosaurs (Ultimate Conductor Tyranno) Frogs Dinowrestlers Darkest Diabolos Infinite Impermanence Chaz Pack Ojamas Horus Armed Dragons Arcana Force Prank Kids Spirit Monsters Syrus Pack Cyber Dragons Cyber Darks Roids Volcanics Cloudians Jesse Pack Crystal Beasts Koaki Meirus Venoms Worms Enchanters Fairy Tale Support Shaddols Jaden Pack Elemental HEROs Evil HEROs Winged Kuriboh Destiny HEROs Neo Spacians Yubel Masked HEROs Super Polymerization Yu-Gi-Oh
Ragavan, Nimble Pilferer Ragavan, Nimble Pilferer would be higher on the list if I wasnt focused on Commander
Sure, there may be big stompy creatures like Phyrexian Juggernaut, but you still need them to deal damage
