Irish poker rules

Four hole cards like Omaha; after the flop betting, discard two and play Hold'em.

Players

2 to 10

Betting

Pot limit

Betting rounds

4

How a hand of Irish goes

1. 1
   Preflop
   Each player gets 4 down; a betting round.
2. 2
   Flop
   Three cards on the board; a betting round.
3. 3
   Discard
   Discard 2 (no replacement).
4. 4
   Turn
   One card on the board; a betting round.
5. 5
   River
   One card on the board; a betting round.

Who wins