The main reason to include Glaceon is Trevenant
Crucible of the Spirit Dragon might seem a little slow, but banking mana over several turns sets up some truly explosive plays, especially when your hand is full of huge, expensive creatures
Court Hussar Meddling Mage Azorious Guildmage Augury Adept Deputy of Acquittals Drogskol Captain Godhead of Awe Hanna, Ships Navigator Hindering Light Ith, High Arcanist Lyev Skyknight Render Silent Sanctum Plowbeast Sky Hussar Soverigns of Lost Alara Lavinia, the Tenth Sygg, River Guide Teferi's Moat Wall of Denial Worldpurge Plumeveil
Yusei: From now on, it will be an unprecedented duel
You could also suspend it if you don't have a way to get it into the graveyard, if you don't mind waiting a few turns
After much thought, I realized that color would also work