Its only ever been used for products where some other gimmick or oddity demanded it: Commander color identity rules, doubled boosters, small set size
He insists on being addressed in the third person
Having the boost available on offense and defense is pretty cool
Here's a deck Kevin ran back in 2015: 4 Flagstones of Trokair 2 Ghost Quarter 4 Windbrisk Heights 11 Plains 4 Serra Ascendant 4 Soul Warden 4 Soul's Attendant 4 Ajani's Pridemate 4 Auriok Champion 4 Ranger of Eos 4 Path to Exile 4 Honor of the Pure 4 Spectral Procession 3 Secure the Wastes 1 Mark of Asylum 3 Stony Silence 1 Suppression Field 4 Celestial Flare 1 Wrath of God 1 Archange l of Thune 2 Return to the Ranks 2 Sundering Growth What we take from this is we need Soul Sisters, protection, disruption, and creatures that grow really big
Restoration Angel With flash and the ability to flicker another creature on ETB, this angel is always ready to protect another creature from targeted removal or other dangerous situations
The result is a continual engine for casting (and recasting) the 15 formidable enchantments in the deck to produce effects ranging from spell copying to Treasure generation and more