It is also the only non-blue way of putting cards from your hand back on top of your library
Being able to reliably remove this from your command zone opens up all kinds of avenues and dramatically improves certain cards
It can be cast on the cheaper side with evoke, is card-positive, and is a decent body as a 2/2 with flying
You can read more about the mechanic's nuances here, but for our purposes, this means Encouraging Aviator can use the classic Alpha spell Jump to bring a friend along on a flying attack
And finally, we have the obvious
Azorius and Jund: Ezrim, Agency Chief and The Fugitive Doctor & Clara Oswald Dimir and Naya: Eloise, Nephalia Sleuth and Elmar, Ulvenwald Informant & Sophina, Spearsage Deserter Gruul and Esper: Jaheira, Friend of the Forest & Street Urchin and Inquisitor Greyfax Selesnya and Grixis: Cadira, Caller of the Small and The Rani Izzet and Abzan: Glacian, Powerstone Engineer & Dargo, the Shipwrecker and Wernog, Riders Chaplain & Othelm, Sigardian Outcast Golgari and Jeskai: Ich-Tekik, Salvage Splicer & Keskit, the Flesh Sculptor and The Fifteenth Doctor & Sarah Jane Smith thats a lot of partner pairs
