Also, keep an eye out for cycles like Rock / Paper / Scissors
Innistrad: Crimson Vow Crimson Vow introduced us to the blood mechanic, which is basically another way to rummage or discard cards you dont need to try to find better ones (like cycling)
Example of stacked cards recognized by mtgscan: each card is only partially visible Instead, I used an OCR to recognize the title of the cards , rather than the whole image
Creatures that hold lots of +1/+1 counters like Stonecoil Serpent, Marketback Walker, and Walking Ballista are prime candidates to have their counters doubled
Card-Drawing Creatures Its important that we draw cards as much as we can, since those cards are probably going to be more creatures
Double Mulldrifters, double Shivan Dragons and double Solemn Simulacrums