This can translate to good deals on MTG booster boxes or even booster cases (traditionally a box of 6 booster boxes, but this can vary based on the product line) in a few different ways
Im familiar with the concept, having worked in and around local game stores for well over a decade, but a lot of the themes are fairly new to me
You can sacrifice a high-power creature, generate a massive burst of mana, and then dump it into his second ability, paying six generic mana to play the top card of your opponents libraries for free
If you somehow havent won through attrition with Sais thopter army or through hefty Colossus beatdowns, youve still got a myriad of options to close the game
Red is popular, so this fits in Jeskai decks nicely
During owners upkeep, creatures controller sacrifices creature and draws cards equal to its power, then targets opponents creature with Mirris Sexy Lifeless Corpse