Sure, there are times when your combo-esque cards don't really come up in the right sequence, but that's pretty rare
Although demand for cards could continue to go up once the game officially releases, the more widespread availability of Enchanted cards that will be coming in the next few weeks should be able to temper skyrocketing resale values
The decks also super flexible, packing in removal like Putrefy and Casualties of War, card draw with Deep Analysis and Mulldrifter, and all kinds of utility through Nyx Weaver and Broodheart Engine
If you want to break it, you run it with cards like Iroas, God of Victory and Dolmen Gate, and you try and get it going during combat
Do make sure to note that Imposter Mech can only copy an opponents creature, which prevents crazy Sharuum, the Hegemon loops
Veldrane of Sengir Veldrane of Sengir just costs so much mana at every turn