Looking back at Ice Age I feel like the designers were trying to bring the original "Boon Cycle" back into the game
Fluctuator is very narrow, only really functioning in a cycling focused deck, but its one of the most powerful pieces for that strategy and makes most of the landcycling costs free
Seahunter Seahunter is just as good as Moggcatcher, if just a hair better for being in blue (the superior color)
What makes this version special is the 1st Edition stamp on the card, which significantly increases its value and rarity
You need to land something like Mardu Shadowspear or Pulse Tracker early to maximize its ability, but you can have access to 6 colorless mana as soon as turn 2
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Espers to Magicite: You don't choose a target for Espers to Magicite at the time you cast it