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Pot-Limit Omaha: what changes
Four cards, two of them used, and a bet no bigger than the pot.
Omaha is dealt like hold'em, with a flop, a turn and a river, but each player gets four cards instead of two. The catch: your hand must use exactly two of your four cards and exactly three from the table. Four hearts in your hand and one on the table is not a flush.
In pot-limit, the largest bet you can make is the size of the pot, counting the call you would make first. The dealer will tell you the figure if you ask for the pot.
What changes in play: with four cards each, hands run closer together, and big hands are common. A set or two pair that wins often in hold'em is often behind in Omaha. Draws are stronger too, because there are more ways to complete them.
Start with hands whose four cards work together: pairs that can make sets, suited cards that can make the best flush, and connected cards that can make straights. Four cards that do not help one another rarely win a big pot.