The MTG Arena game client will then present you with a gallery of cards to choose from, and you simply have to click on the one you want
These are what you'll see most at any Commander table
Instead of Cocoon, try Forced Adaptation, which puts a +1/+1 counter on the enchanted creature each turn without a drawback, or Spider Umbra, which gives your creature +1/+1 and reach, plus is a Totem Armor
Put one of them into your hand, and the rest on the bottom of your library in random order
The most interesting part, about Lara Crofts ability is that it cares about any graveyard
Its not a huge surprise to see both Urza and Mishra in card form here, and its also not a huge surprise to see them as some of the more powerful cards in the set