Perrie puts a shield counter on another creature when it enters the battlefield and when it attacks, it gives a target creature trample and +X/+X, with X being the number of different counter types the player controls
I really like the Sultai color combination, especially when it involves control and graveyard interaction
Cavalier of Gales Court Hussar Ethersworn Adjudicator Gryff Vanguard Herald of Hoofbeats Isperia's Skywatch Knight of the Mists Knightfisher Knights of Dol Amroth Order of the Mirror Outrider of Jhess Patrician Geist Preening Champion Protocol Knight Sister of Silence Socketed Sprocketer Syr Elenora, the Discerning Tenacious Tomeseeker Thunderhead Squadron Vantress Paladin Vodalian Knights Xerex Strobe-Knight
Anyway, I think that Glen is still a little underappreciated
In the past, Welcome Decks, Planeswalker Decks, and Deck Builder's Toolkits were made after the design of the core set was finished and made use of whatever cards they could adapt to their needs