You can take advantage of useful mana abilities in MTG that let your creatures produce mana themselves to help with casting bigger spells
Theres so much, in fact, that demand for this drop may be extremely high, making acquiring it rather difficult
Looking at many of the old creatures on this list, it's hard for new players to know what they are missing, because in the context of today's creatures they generally aren't missing all that much
If the designers thought that cards would be roughly equally accessible, then the distribution and density of creatures is grossly insufficient
I think the fact that Inquisition of Kozilek is more limited in scope this way definitely makes the card more interesting, but its universal enough that it helps alleviate Moderns historical issues around having too many narrow disruptions spells
This is great in loads of places too