If youre using playtest cards / proxies for casual games, the practical takeaway is simple: make sure the type line is readable , because legendary status changes real gameplay decisions (copying, board states, and a whole lot of Commander nonsense)
She protects your other enchantment creatures with powerful keywords and, at the end of your turn, can return an enchantment creature from your graveyard directly to the battlefield
You never want to choose more than three colours (at least, most of the time) and if you want to be safe then having two is probably the best way
The game was designed with players completely new to the card game in mind, and that philosophy is reflected in the card pools themselves
This attacks damage isnt affected by Weakness, Resistance, or any other effects on your opponents Active Pokmon