At the beginning of your end step, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." The ability of that Construct token does count the Construct itself, so it'll be at least 1/1
There are plenty of plays that can get you in a winning situation with just a few specific Dragons like: Goldspan Dragon Ancient Copper Dragon Hellkit Charger With Goldspan Dragon and an Ancient Copper Dragon out, you can generate tons of Treasure tokens and then make bonus mana off of them
Its tailor-made for control decks, and when combined with mana rocks, snowballs into an insurmountable advantage
I still agree with this, and its one of the reasons that Frantic Search is a card I consider S-Tier when it comes to commons
The value of X is calculated only once, as Thickest in the Thicket's first ability resolves
So I suggested he build a deck with a Bard commander around Dragons because Bards try to seduce everything, even Dragons