Use the classic sudderwock combo to fatigue your opponent. You will need to exit and reload the game to fast forward the animations. Shudderwock with make them draw 2 cards (dancing swords+undertaker) per battle instance of its battle cry. When it triggers grumble to bounce them and your hand is full the death rattles will trigger. Seargent sally will desimate your enemies board, doing 6 damage per battle cry per shudderwock as well. The prince will also heal you for all that damage.