You kind of want to win off your ten mana investment and not lean on the follow up from four more cards
[srcylink]Stromkirk Occultist[/scrylink] from Eldritch Moon (2016) tried to push the mechanic, but the environment was quite hostile to anything without an ETB effect at the time
If you are allowed to bring a phone to school and have enough data, you can just turn on a hotspot to connect with school computer, then you can enjoy Pokmon games without interruptions
Opee, Sea Killer / Sanda Aqua Monster Opee, Sea Killer is an okay islandwalk card, but its real value is on its flip side
Eye of Ugin clearly breaks the "adds two or more mana" rule (sometimes adding much more than two mana if you have a bunch of colorless Eldrazi in hand)
I also didnt run any colorless cards in Izzet, other than Secluded Starforge , which is a solid late-game option for building up a robotic army