Whether you choose to sort by color, set, rarity, or format, the most effective system is one that matches how you play and collect
Maybe youve been playing other MTG formats for a while and are dipping toes into the worlds most popular way to play the game
If you really want to play it, Juzm Djinn is a rather unremarkable 4-cost 5/5 beater, though it is worth mentioning that it was the first 4-cost 5/5
It reads, At the beginning of combat on your turn, equipped creature or a creature you control named Vecna gets +X/+X until end of turn, where X is the number of cards in your hand. Finally, The Book of Vile Darkness is a three mana Black Artifact that lets you create a 2/2 Zombie token if you lost two or more life in your turn
Storm Scale Rating: 3 From a design standpoint, I think investigate is a hit
Add in discard outlets like big creatures with Cycling (which you can grab back), Golbez, Crystal Collector's own Surveil ability, and old classics like Bottomless Pit, and we've got a nasty little engine here