Only allow game start if both players have decks selected
Only allow game start if both players have decks selected

jbrz/throneteki,Antaiseito/throneteki_for_doomtown,samuellinde/throneteki,jeremylarner/ringteki,jbrz/throneteki,jeremylarner/ringteki,cryogen/throneteki,samuellinde/throneteki,DukeTax/throneteki,cavnak/throneteki,DukeTax/throneteki,Antaiseito/throneteki_for_doomtown,gryffon/ringteki,gryffon/ringteki,cavnak/throneteki,gryffon/ringteki,cryogen/throneteki,cryogen/gameteki,ystros/throneteki,jeremylarner/ringteki,cryogen/gameteki