Unless you have the right support, youre often better off to stop your curve at six (or maybe seven if you have some seven-drop bombs) and leave the eight-drop out of the deck
No, you don't get a guess
For one blue mana, you destroy any creature
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
This card is a prime example of how a misprint can significantly increase a cards worth Are Misprint MTG Cards Worth Anything
Many of them are double-sided, such as the Cant Attack, Cant Refresh and Effects Negated tokens shown below