It makes a lot of spells quite a bit better for (potentially) just a small added cost
Paying 3 mana for a guaranteed I-win spell is fine I guess, but I get a kind of maniacal glint in my eye when I announce my cascade trigger, I rub my palms in anticipation, and I start flipping over cards, having absolutely no idea what Im going to get
The costly mana payment means most opponents will avoid attacking into the Kazuul player in the first place
In an interview with CBC, published 3 July, the then-anonymous seller said, "My hands were literally shaking
When your opponents are Lava Spiking you, those are the moments you really appreciate Inquisition of Kozilek
On this cards most basic level, it is another way to tax your opponents mana, making fetchlands cost an extra two mana to activate