yugioh mermail cards Deck - Abyssalacia Water Deep Sea Aria Abyssmegalo Abyssteus You can only use this effect of Mermail Abyssteus once per turn. Yu-Gi-Oh!: Best Mermail Cards

It was eventually unbanned when the card text was changed to require an Earth Tuner instead of any Tuner

The continuous effect of is a consolidation of all effects related to the high drive counter of the original work, and the original attack power becomes 5000 without a counter, and the destruction resistance is simplified by changing the attack power to a value lowered by 1000

Since Bahamut isnt legendary for some reason, you can copy it and run through all four chapters in a single turn for an easy win

Reception at the time was lukewarm

Basically, this last part of the list is just a celebration of Gruul and Izzet