Urza, Academy Headmaster X Mary OKill ARTIFACT Angelic|Rocket Border Guardian Buzzing Whack-a-Doodle Clock of DOOOOOOOOOOOOM
(This includes morph, manifest, disguise, cloak, and a few other effects that turn cards face down.) Common methods for doing this include using markers or dice, or simply placing them in order on the battlefield
Additionally, Teyos Lightshield is perfect for Azorius
Up next, they played several lighthearted "game shows" with various notable MTG streamers, revealing a few cool cards in the process, like the powerful Planeswalker-killing Sparkhunter Masticore
You should have no problems having 1/1 creatures on the battlefield to murder with Skullclamp and reap the rewards
Then, even in this scenario, we're not getting that much value, all things considered - just the right amount to make it an ok inclusion in many blink decks without regrets