Some years ago this would have been an incredibly fierce enchantment for many decks to beat, however, the printing of cards like Grief and the other Elemental Incarnations has freed up mana for spending elsewhere
This ones awesome in green midrange decks that want to grind value each turn
It's currently worth just over $200 at TCGplayer, and it's easy to see why
"Exceptional Schedule" can search "Urgent Schedule" and give your opponent a Token so the latter can be activated during the first turn of the Duel
The Side Deck offers A-Assault Core if you prefer to use union monsters to bolster Satellite Cannon and offer more protection, as well as Cyber Repair Plant, Seal of Orichalcos, and Threatening Roar as alternatives to recovery, bolster, and defensive tactics.
You'll have no problem finding a good target for this