Adapted Out: Colorless Energy originally did not exist in the game except on Energy costs, for the purposes of denoting that any Energy type can fulfill it, as players can only include typed Energy in a Deck
It might be my love for Sultai, but Im putting Teval in fun
Zhur-Taa Druid at the worst is a Goblin Fireslinger that ramps you into cool stuff, and Elite Arcanist still gives you a free instant every turn if you want it
When you want to use this as a boardwipe, it will also wipe out your own creatures (unless Inspirit, Flagship Vessel is fully crewed), and for that, there are better options
First of all, each player starts the game at 40 health instead of 20
While still legal in Legacy and Pauper, ban discussions are ongoing in the communities, and a case could certainly be made for banning it in Pauper