mtg demon commander deck list Raphael EDH | Tribal Deck Favorite Demon Deck in Magic:

You can use effects like Gaea's Blessing and Endurance to shuffle key pieces back into your deck to tutor or redraw later

Mishra's Workshop created effects that in modern terms were even more obscene, letting you drop cards that cost six mana on turn two without spending any cards

Its a useful mix of options, because it means youve always got a good one to choose whether you need an extra body or a little more power

Doctors companion (You can have two commanders if the other is the Doctor.) Look, Doctor, good marksmanship is not a matter of luck. Illustrated by Irina Nordsol Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp

Pair that with Duskmourns The Swarmweaver, which also has a delirium ability to give Insects and Spiders +1/+1 and deathtouch, and delirium quickly becomes a great tool in creepy-crawly decks.