That being said, lets go on an adventure
With the older wording, Recycle Energy would return to its players hand after the Pokmon it was attached to was knocked out
This is exactly what Draining Whelk does, and the fun only begins if you get to pair it with blink effects like Ephemerate or Ghostly Flicker
See the Top 10 Cards in Obsidian Flames Temporal Forces A few standout cards like Gastly, Litten, and Metagross help elevate this to mid-tier status, though it lacks a marquee chase card
ETB value creatures or haymaker finishers, Riku leaves things pretty open-ended
Interaction A few counterspells help keep people honest when you have blue mana up to potentially stop their game-winning combo, or a pesky battlefield sweeper that will otherwise send your glorious Dragons to the graveyard