It said, we can have refund at least for three weeks since the launch and we don’t have three weeks yet.
The disenchantable cards listed above, plus non-Diamond Doctor Holli’Dae, will be eligible for full-dust refunds for at least three weeks following Patch 28.2.3. Additionally, for this patch, all players who have Diamond Doctor Holli’Dae will keep the card and receive a grant of 1600 Arcane Dust at login later this week. We’re taking a look at what systemic changes might look like for Diamond cards impacted by balance changes, so things may work differently in the future.