Even if you only use his effect to summon back 2 Shingetsu, you still are getting the Hopper Lock out of the deal
What is keeping the card above from being banned
The cheapest sells for around $700 ungraded
Then during the Main Phase, you can equip 1 appropriate LIGHT Machine Union monster from your Deck to this card as an Equip Spell, with the only downside of locking you out from Special Summoning monsters from the Extra Deck, except LIGHT monsters, which isnt a downside at all
This event is available in the following regions: United States, Canada, Australia, New Zealand, Austria, Belgium, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Guernsey, Iceland, Ireland, Israel, Italy, Jersey, Latvia, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovenia, South Africa, Spain, Sweden, Switzerland, and the United Kingdom
Cad Bloom is not the best combo deck in the cube and is significantly weaker without Fastbond or the artifact mana power, Black Lotus in particular