Another option is to use Eternity if you have one. Return a skeleton to your deck when you draw your last card and repeat every turn from then on. Just don't forget
That strategy has saved me many games. There is nothing more annoying than getting the upper hand on a FG then losing due to deck-out...
Also, you dan't have to stop drawing at 20-25 cards that way, you can draw extras if you need to in order to maintain or get the upper hand.