This allows for some potentially infinite loops if set up right, as well as plenty of power plays by making use of creatures that activate when they enter the battlefield
Im not saying they will, Im saying nothing is stopping them and there are better places to park your money
Since it searches for any two cards, its better used as a silver bullet solution than a generic turn-one draw
For example, if you play a land this way, you may do so only during your main phase while the stack is empty and only if you havem't yet played a land (unless another effect allows you to play additional lands)
You can search for specific brands in the app to get the complete list
To make things even more interesting, several of these Legend cards feature two Pokemon in the scene, meaning that one typically appears predominantly in one half, while the other Pokemon usually gets the lion's share of the other side of the scene