Calculating the optimal number of lands to reliably cast spells in 40-card decks is no easy task, but luckily Frank Karsten has done all the heavy lifting already
Colorless means Normal types but tends to draw in most Flying-type Pokemon who don't have another type to draw from
There are some very relevant cards which dodge IoK like Yawgmoth, Thran Physician, Goblin Charbelcher, Omnath, Locus of Creation, Primeval Titan or any of the new Elementals, but just looking at the list of most played cards in Modern shows how many other cards Inquisition of Kozilek hits
Greeds Domain Plane: Nether Realm When you planeswalk to Greeds Domain or at the beginning of your upkeep, create a colorless artifact token named Gold with Sacrifice this permanent: Add one mana of any color to your mana pool
Sikkai Ruins Plane: Porlitha Whenever a creature enters the battlefield, it deals damage equal to its toughness to target creature its owner controls