Umbreon's demand is intense enough and sustained enough that even sixty-four thousand gem mint copies are not sufficient to saturate the market
Neriv is one of the cheaper Spirt Dragons, sitting at just four-mana, and while it might not seem stellar, it could have some potential with any interesting enter the battlefield damage that could be floating around in the near future
Players building Control, Midrange, or Resist decks should consider this a must-have Steel card in the current meta
Mermail Abyssteus can be added to your hand with the effects of The Legendary Fisherman II and Mermail Abyssalacia, and then it can send Citadel Whale, Nimble Sunfish and Fishborg Launher, et al, to the GY to Special Summon itself, and all of them have effects that can be activated from the GY
If youre curious about what some of the most powerful cards with this keyword are, weve got you covered