(Search your library for a land card and put that card in your hand.) Untapping creatures Untapping lands Variable creature (This creature enters the battlefield with X +1/+1 counters.) Ward (for mana) GreenSecondary Animating Artifacts (Target/all non-creature artifact(s) you control becomes an artifact creature.) Basic land counting (Doing an effect equal to the number of basic lands of a certain type you control.) Card draw Color changing (Target/this creature becomes the color(s) of your choice until end of turn.) +N/+N (on creatures) +N/+0 (on creatures) +0/+N (on creatures) +0/+N (on spells) +0/+N (on Auras) +N/+N to your team, one-shot +N/+N to your team, ongoing "Curiosity" (Whenever this creature deals combat damage to an opponent, draw a card.) Deathtouch Defender Exiling cards from graveyard Flash Haste Hexproof Indestructible "Maro" ability (This creature's power and toughness are equal to the number of cards in our hand.) Playing cards off the top of your library, paying their mana cost (You may look at the top card of your library and if it's a [blah] you may play it.) Putting enchantments from hand onto the battlefield "Reanimation" (Return a creature card from a graveyard to the battlefield.) Rules setting Scry Treasure creation (artifact tokens with "T, Sacrifice this artifact: Add one mana of any color.") Vigilance "Warlord" (This creature's power and toughness is equal to the number of creatures you control.) GreenTertiary +N/+0 (on Auras) -N/-N (on spells) Cast spells from your graveyard

While there are some chaos cards, the idea behind the deck is more of just to make stuff happen
A small bonus to selling in this way, beyond the low fees, is that your listing is algorithmically pushed to potentially interested parties for free (Facebook is the largest harvester of interest-based information in the world, so this is a pretty big bonus)
This is easy to remember by thinking of them "enchanting" the battlefield or a creature
As steady as a modern card gets, with the usual caveats
Utility Demons Some of these Demons fulfill a particular need: is your opponent going off with a big turn where theyre going to gain a bunch of life