It is quite pesky and wont go away that easily
#1: Champion of Wits The best Wizard enters-the-battlefield trigger in Standard, by a significant margin, is Champion of Wits, which just happens to be blue, making it an easy inclusion in a deck built around Naban, Dean of Iteration
It's also worth noting that, while bans for the Commander format are ultimately decided by Wizards of the Coast, there is an external Commander panel that collaborates with Wizards on ban decisions
Commander Commander (CTRL to add secondary) Burn Burn (CTRL to add secondary) Discard Liliana, Waker of the Dead +1: Each player discards a card
Id add the Ravnica Signets cycle here as well, but with Signets you often lose tempo the turn they enter
The game actually works like modern card gaming apps