Through clever usage of Pokemon moves like surf and dive, as well as bikes which change the way the player traverses through the terrain, Pokemon lets trainers with a keen eye reach locations that are otherwise invisible at first glance
It is no longer a case of pick up the cards that give life and that you want in your deck, obviously you do that, but it is not always enough or you do not see the few cards that fit this criteria
You get to control them while they search, exiling the cards they findand then you can cast those cards yourself, spending mana as if it were any color
I believe it all depends on how you build your deck
Without that - and I don't see a particular way of doing that easily in the deck - it does provide a sac outlet and some graveyard decks will want that
Delighted Halfling Delighted Halfling is one of the best mana dorks, being able to generate mana of any color to cast a legendary spell