Ever since the trading feature was added I was able to...

*Complete Genetic Apex
*Complete Mythical Island
*Obtain 2 copies of every 🔷️ & 🔷️🔷️
*Obtain a copy of every ⭐️ full-art

I am F2P and I feel like the trading system as is, has done a huge job for my collection despite all the pushback against it