You may put a creature card and/or a land card from among them onto the battlefield
All Treasure Making Discard to Draw Stuff There are a huge number of discard one, draw two, and then make Treasure tokens for future ramping and casting things that are great to add to your deck, especially in Highlander formats like Commander where you can run them all in the same deck
In gameplay terms, its nothing special
Sure, your opponent might have ten beasts in their green deck, but Callous Oppressor would still be able to steal their four goblins, three elves, and two other creatures that weren't beasts
You can do anything thats virtual, and people wanted things to collect. Vendor Josh Sandoval knows the impact the pandemic had on the Pokmon world better than most
With Giada, the balance of power in the city has been turned on its head