Post any combos you use to help you during duels. There was a thread like this but it's several months old now.
Giant Kozaky + Creature Swap
Set Giant Kozaky then use Creature Swap. Find a way to flip it face up (attack it, use Swords of Revealing Light etc.) so it gives your opponent 2500 Life Points of damage.
Giant Kozaky + Creature Swap
Set Giant Kozaky then use Creature Swap. Find a way to flip it face up (attack it, use Swords of Revealing Light etc.) so it gives your opponent 2500 Life Points of damage.