2/2 Pegasus creature with flying, for Archon of Sun's Grace
It is for good reason, as forcing everyone in a match to need to play a subgame in their Magic game is going to add a ton of time to the match
Therefore, the use of proxies is sometimes further constrained to only one method of fabrication, for instance
(2023-06-16) If the creature you choose as your Ring-bearer was already your Ring-bearer, that still counts as choosing that creature as your Ring-bearer for the purpose of abilities that trigger "whenever you choose a creature as your Ring-bearer" or abilities that care about which creature was chosen as your Ring-bearer
Honorable Mention #1 and #2 - Liesa, Shroud of Dusk AND Dargo, the Shipwrecker The problem with these two potential leaders is very powerful
Its spoiler season for M10 and GM.com is there for you