Question: what are some fun yugioh decks?
Answer: Volcanic.
Reverse Burn. ... 
Umi – Tornado Wall – Water. ... 
Normal Monster. ... 
Warrior. ... 
Elemental HERO. ... 
Crystal Beast. So far from their glory days, Crystal Beasts have been a fun and engaging archetype since they were released. ... 
Kuriboh. As you can likely tell already, these decks will not be even remotely viable. ...