I have read an article by a very successful future trader. He underlined the importance of edge finding (try to understand reasons behind price movements), backtesting (review past card price movements) and discipline(you know what it is just you can't keep it). My readers, which are competent, hardworking and wise, should be able to learn and improve. Forget me, I am too lazy to achieve anything. But I will tell you the potential cards to buy. 1. Eldrazi Displacer Everyone's talking about the combo. If it works, this card can be in a small proportion of decks. But that's not a signal to collect. A potential card should be seen in one or more popular decks, say Abzan & Mardu. In these decks, we don't have colorless mana source for it's ability. While in Eldrazi deck, we don't need Displacer's blinking ability. Maybe, Shadow over Innistrad will bring us more relevant lands for Displacer to shine. I will not buy it, but I will keep watch
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