If you search your deck for more than one card, you can replace each of those cards with an Omnipresent Impostor as long as there are enough Omnipresent Impostors in your deck
The art on all of these is stunning
An instant or sorcery spell with lifelink causes its controller to gain life only if it's the source of any damage that's dealt
Eventually, with the help of Rules Manager Matt Tabak, a solution was found
Oath of Teferi Teferi Akosa of Zhalfir Teferi's Ageless Insight Teferi's Care Teferi's Curse Teferi's Drake Teferi's Honor Guard Teferi's Imp Teferi's Isle Teferi's Moat Teferi's Protection Teferi's Protection Teferi's Protection Teferi's Protege Teferi's Puzzle Box Teferi's Realm Teferi's Response Teferi's Sentinel Teferi's Talent Teferi's Time Twist Teferi's Tutelage Teferi's Veil Teferi's Wavecaster Teferi, Druid of Argoth (playtest) Teferi, Hero of Dominaria Teferi, Mage of Zhalfir Teferi, Mage of Zhalfir Teferi, Master of Time Teferi, Temporal Archmage Teferi, Temporal Pilgrim Teferi, Time Raveler Teferi, Timebender Teferi, Timeless Voyager Teferi, Who Slows the Sunset