There were also some past corner cases where I wanted to be able to target my own creature for certain effects
There's two types based on their artwork, whole Pots and 'combination' Pots, and this is what the rest of the article will focus on
Sure, you have to give up four damage to get Refraction Elemental, but it should more than make up for this in just one turn on the battlefield, which should make defeating the battle worthwhile pretty often
I dont expect this to be a system like Pokemon Trading Card Game Online (now called Live, but I dont know if its trading system has remained the same), where you can just put up whatever cards you have and request anything else in return
Green is the best individual color in the color pie at performing this task, as it provides ample ways to put extra lands onto the battlefield from your hand or deck as well as efficient ways to add extra mana to your mana pool via creatures, enchantments, and artifacts