Tracker is all about giving you more things to spend mana on, it is just a nice side effect when you get to win the game by attacking with it
More often than not, this will destroy the scariest creature on the board twice and grant you some tokens, which is still a decent card
Magic is happy to take the same creature twice
Even more Pokmon await inside a stack of booster packs, and gameplay accessories like a playmat, deck box, and card sleeves let you show off amazing art of Mega Charizard X in action
But Emeria's Call is way too overpriced, and there are much better and cheaper options to keep your creatures safe
If the search is simply for a number of cards without stating a quality, you must have them find that many cards (or as many as possible, if their library doesn't contain that many cards)