what's a side deck in yugioh This is why we should BAN the Must Have Yugioh Side Deck

(This Special Summon is treated as a Fusion Summon.) [spoiler=The Fusion Spell] Fusion Summon 1 "Joan" Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials

Lets start with how they fit into the format

There will never be a Yu-Gi-Oh game that is quite the same as simply playing with real cards, but Legacy of the Duelist is the closest that we have ever gotten to the real thing

Not really interested in building this, but it could be fun

Liberty Prime, on the other hand, offered a big, aggressive outlet for an Energy strategy, serving as a large beatdown threat that also provided repeatable card draw so the deck never ran out of steam