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I've got 3 DOTA Underlords keys to giveaway which probably a lot of you already have. If you're familiar with Dota Auto Chess then this is the Valve version of it. If anyone wants them, they can use these:
639EG-NC0XA-RMZ54 639FJ-YHEJJ-KXCL4 639FT-FLWD7-HKA6H
You will need to activate these on Steam for PC under,
Game > Activate a product on steam.
Mod note: All of the keys given by OP are claimed. Up to 3 Invitations can be sent from your DOTA user account, please visit the Underlords Twitter page for more information and invitation codes.