I was wrong. It doesn't work. I reached out to Splinterlands support today and they said that the information that I had read was outdated and is no longer true. Only certain liquidity pools receive airdrop

I posted another article showing how to add to the liquidity pool. How to use DEC Voucher liquidity pool

For one voucher, you can pair about 1300 DEC, so that DEC now earns 2600 points toward your airdrop. I don't think you can do all 50 because the pool is so small and it affects the market too much, but

That was sweeet! Ground through the whole team with him (or her, whatever gender Grund wants to go by). That made me want to level up mine.