Soap Sudden/Rulings

The procedure for using Soap Sudden is as follows:
 * 1. Declare the use of Soap Sudden.
 * 2. Before you pay the cost, you may down any number of your  SIGNI. For each  SIGNI that was downed, you may reduce Soap Sudden's cost by.
 * 3. You pay the cost, according to how many  SIGNI were downed.
 * 4. Put Soap Sudden into the trash and choose one of your opponent's SIGNI.
 * 5. Confirm the presence of absence of a Spell Cut-In.
 * 6. Resolve Soap Sudden. Place the opponent's SIGNI that you chose into the trash.