Dragon, Landstill, Slavery and Charbelcher.
Aha, thank. I'm curious though. Doesn't Dragon go straight for Verdant Force post-board? Also, aren't Rack and Ruin and Chain of Vapors enough game 2 so that possibly negating their disk isn't worth negating your welders? I obviously haven't tested this, but this is just my gut instinct.
Your point about D4RGON is a valid one and I chose The Matrix over Crypt (or other things) due to local considerations. No one in my area had been bringing Dragon, but I did expect some Belcher. Turns out... I was right.

In a wide-open meta, however, I would suggest having something that addresses Verdant Force.