Donquixote Rosinante (Leader) - Legacy of the Master (OP12)

[Once Per Turn] If your [Trafalgar Law] would be K.O.'d, you may add 1 card from the top of your Life cards to your hand instead.
[Activate: Main] [Once Per Turn] DON!! 1: The next time you play [Trafalgar Law] with a cost of 4 or more from your hand during this turn, the cost will be reduced by 2.