August 3rd is when the expansion launches. You can use some new card in duels before then.
"Lastly, you’ll be able to find United in Stormwind cards in Duels card buckets after the patch goes live and before the expansion launches." https://playhearthstone.com/en-gb/news/23663246
0
Battletag: Blindcloud#2117
Region: EU
Trade Only?: Yes
0
Battletag: Blindcloud#2117Region: EUTrade only?: Yes, you go first.0
Battletag: Blindcloud#2117Region: EUTrade Only?: Yes, you go first!Completed!
1
August 3rd is when the expansion launches. You can use some new card in duels before then.
"Lastly, you’ll be able to find United in Stormwind cards in Duels card buckets after the patch goes live and before the expansion launches." https://playhearthstone.com/en-gb/news/23663246
0
Battletag: blindcloud#2117
Region: EU
Trade only?: Yes, you go first