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Shaddolls
Curse of The Shadow Prison
This Deck was released in 2019 and was an anime deck, but also one of the eternal format decks. This deck also had the insane reprint of Ash Blossom & Joyous Spring.
Structure Deck: Soulburner
Triple Burst Dragon
2+ Monsters, except Tokens
Shaddolls
Nephe Shaddoll Fusion
Don't forget to activate this fusion monsters' graveyard effect in the End Phase!
Destiny HEROS
Dark City OR Clock Tower Prison
This deck brought in powerful fusion reprints, as well as other cards like Super Polymerisation, which was a $16-$20 card at the time.
Structure Deck: Shaddoll Showdown
Dark Requiem Xyz Dragon
3 Level 5 monsters
Geminis
Supervise
This ritual monster was played in certain decks because it was a hand trap. Players didn't have the slightest intention of summoning this monster
Sauravis, the Ancient and Ascended
Nordics
The Nordic Lights
Even though this wasn't really a meta deck, this deck was released in 2020 and improved one of the most fan favourite decks from the GX Anime.
Structure Deck: Sacred Beasts
Dragon Master Knight
Black Luster Soldier + Blue-Eyes Ultimate Dragon
This was a very popular equip spell in the old days of GOAT format, and even was limited for a short period of time.
Mage Power
This HERO support card is in fact limited in Japan, because it is able to go into Masked HERO Dark Law very easily.
Mask Change II (Limited)
Blue-Eyes
Mausoleum of White
This deck immediately became relevant on the day of its release, and has some really powerful cards that still see play today, including a plethora of powerful Dragon monsters.
Structure Deck: Rokket Revolt
Five-Headed Dragon
5 Dragon Monsters
Rokket
Borrel Regenerator
People Just don't understand this 1800 ATK Normal Monster
7 Coloured Fish
Dinos
Lost World/ Jurassic World
This deck had some really strong reprints as well as being one of the most consistent decks that we have ever seen. This deck was released in 2017.
Dinosmasher's Fury Structure Deck
Supreme King Z-ARC
4 Dragon monsters (1 Fusion, 1 Synchro, 1 Xyz, and 1 Pendulum)
Nordics
Nordic Relic Draupnir
A burn card in Duel Links that was so powerful that it was errated
Lava Golem