Chart shows the price of Unstable Booster Box at the end of each month going back as long as we have tracked the item.
All of these prices are for six months from now (roughly when Battle for Zendikar releases and Theros rotates)
The second point is that they also give lessons lifelink, and while only a handful of lessons deal damage, free lifegain twists Combustion Technique into a sort of Lightning Helix
Ainok Tracker Akoum Hellhound Arcbound Tracker Ashmouth Hound Blazing Hellhound Blood Hound Bolt Hound Carnival Barker Chandra's Magmutt Deer-Dog Dogmeat, Ever Loyal Edgewall Pack Enduring Courage Equilibrium Adept Fiery Hellhound Goldhound Hellfire Mongrel Hound of Griselbrand Igneous Cur Karplusan Hound Komainu Battle Armor Kroxa and Kunoros Lava Hounds Lightning Hounds Mad Dog Mogis's Warhound Monstrous Hound Pack Mastiff Pako, Arcane Retriever Pyre Hound Rakdos Ragemutt Rin and Seri, Inseparable Scrapyard Mongrel Slumbering Cerberus Summon: G.F
It may not be sufficiently different in performance, feel, nor even cards included, to merit another article on the matter so I thought I should at least mention it here
Note that you can play a second and never flip it and really start cooking with gas if youve flipped one
