All Duels are set in a 7x7 grid of squares, as opposed to the standard 5 slots for Monster cards and 5 slots for Spells/Traps - however the rule is carried over that only 5 of your Monsters and up to 5 of your Spell/Trap cards can be present on the field at any given time
Fusion Summon 1 "Supreme King Z-ARC" from your Extra Deck by banishing Fusion Materials mentioned on it from your hand, Deck, Extra Deck, field, and/or GY, but negate its effects unless at least 1 each of your "Pendulum Dragon", "Xyz Dragon", "Synchro Dragon", and "Fusion Dragon" monsters are currently banished
When you play this card, you choose another character and give them plus one lore for the current turn
A Retreat Cost of one isnt bad
Aurelia, the Law Above, for example, is only a 4/4, but allows you to draw a card each time any player attacks with three or more creatures , and deals damage to your opponents and heals you whenever a player attacks with five or more creatures
Ygra, Eater of All is unquestionably a good food commander, and I love how it turns all creatures into food