So you play it, gain a very tiny amount of game information, sacrifice it, and replace it in your hand at the start of your next draw step
So, what is "Market Price"
We suggest you get in there quick before they sell out of the more popular cards

This combo involves the following cards: 4x Delina, Wild Mage 4x Pixie Guide 4x Barbarian Class The infinite dice roll combo can be achieved by increasing your chances of rolling a number equal or higher than 15 on your D20: Play Delina, Wild Mage Play Barbarian Class Play Pixie Guide Attack with Delina, Wild Mage Target Pixie Guide with her ability If you roll 15+ on your D20, copy Pixie Guide Attack with the new Pixie Guide token Rinse and repeat steps 5-7 Each new copy of Pixie Guide will allow you to roll the dice over and over again with the following chances, making more and more attacking tokens: 1x Pixie Guide = 14% infinite 3x Pixie Guide = 75% infinite 6x Pixie Guide = 91% infinite 8x Pixie Guide = 96% infinite 12x Pixie Guide = 99% infinite 19x Pixie Guide = 99.9% infinite As you see, your chances of going infinite are rather high, so try to play as many copies of Barbarian Class as you can to increase your initial chances

But with Magic: The Gathering Arenas release on PC, it was easier than ever to give it another shot
The face commander tied directly into the creature type, one back-up commmander played up the sub-theme, and the other back-up was tenuous