What happens if I use Drakloak's "Recon Directive" Ability and I only have one card left in my deck?
You put that card into your hand, and there is no other card to put back into your deck.
Recon Directive

Other known variants


Recon Directive
Once during your turn, you may look at the top 2 cards of your deck and put 1 of them into your hand. Put the other card on the bottom of your deck.

Dragon HeadbuttThis Pokémon stores up energy in its lungs, then shoots it out. It takes care of Dreepy and battles alongside them until they’re all grown up.
What happens if I use Drakloak's "Recon Directive" Ability and I only have one card left in my deck?
You put that card into your hand, and there is no other card to put back into your deck.