Omaha 8 For Dummies Card Deck. Play your cards right - and win the game of Omaha 8! Get hands-on poker practice with expert tips for constructing a winning hand! Omaha 8, also known as Omaha 8-or-Better, is related to Texas Hold 'em but with a bit more action. Omaha 8 is a high-low split game in which you build a winning hand by using two of your own cards with three communal cards. This friendly For Dummies guidebook walks you through each stage of the game step by step. Each card in this specially designed deck gives you helpful hints for improving your Omaha 8 skills and strategy. By playing with this deck, you hold the key to Omaha 8 in your hands.