If I had to guess, looking at public results, I'd say Wizards could ban these cards: Felidar Guardian Oko, Thief of Crowns Nykthos, Shrine to Nyx Treasure Cruise And maybe Oath of Nissa Once Upon a Time Teferi, Time Raveler Dig Through Time - Note that those are not the card I would like to be banne...

Now: does Corridor Monitor belong to the deck? I admit I didn't know of this card!

Playing a couple of rending volley and/or Fry is already enough for me. It's not warping, but is "respecting" a deck using a sideboard slot for more than one match up (Fry can be played against both Urza and UW). Just wanted to be sure to have a good sample deck and have a sort of rapresen...

We should consider both in the test deck and in the opponent's deck some sideboard slots for twin itself. Then I'd like to share my first draft of a temur build. I started from the last legal building and tinker it with new additions. Creatures 4 Tarmogoyf 4 Snapcaster Mage 2 Pestermite 3 Deceiver E...