In comparison, Galadriel Elven-Queen is much closer to the Galadriel of the lore and books -- a wise and beautiful queen
Six mana is a ton for a 3/4 body, particularly one that needs to wait a turn to do anything
Or, for more expensive MTG cards, check out our guides of the priciest pieces of paper in history.
The twin artwork connection makes this card special, and I love how it displays when paired with Latias together they feel like two halves of a single story
So, while a seven-mana extra-turn spell might not seem that broken, especially considering that the Power Nine version of the effect costs just two mana, the way that Nexus was released, the janky Pro Tour proxies because of the curling originals, and the card quite literally breaking digital play easily make it the most broken card of 2018