Crazy cheat/Ghost (NOT type) Pokemon

NOTE: MUST HAVE ACTION REPLAY!!!!!

First, go 2 ur AR menu, select Pltnm, and choose easy kill. Then, start the game. While a wild encounter's beginning, hold down select till AFTER the Pokemon's health bar appears. It should have 1 HP. Kill it. At first, it won't go away, but the health bar will. Kill it again. You'll hear his death noise, but this time, the Pokemon will still be there, but won't be visible. Capture it or run. It will not be able to attack. :]