For one, theres no equivalent to MTGs mana used for summoning cards you simply choose one of the three houses that make up your deck each turn, which lets you play as many cards from that faction as you like that round, so youll never spend a turn twiddling your thumbs unable to do anything
Mongrel Pack by Jeff Miracola Mongrel Pack | Illustration by Jeff Miracola The art would make sense if it was supposed to depict some weird monster, or even goblins
Life Insurance Even more niche, even more crackable, Life Insurance gives you Treasures instead, which is nice in a fair deck, better in aristocrats, and it goes infinite with a variety of combos, like say, Ashnod's Altar with something like Reassembling Skeleton and Falkenrath Noble
With Phantom Nightmare, the archetype was elevated to meta status with new monsters and Spells to make the deck more consistent