They can churn out creature tokens with Adeline, Resplendent CatharAdeline, Resplendent Cathar, steal valuable spells with Etali, Primal StormEtali, Primal Storm, and even drain out the table with Brutal HordechiefBrutal Hordechief
You eventually win the game with enough Spirit tokens to overthrow Kamigawa, but those tides of colorless creatures also provide a near-endless source of chump blockers to defend you against most creatures
Id start with the lowest-impact Angels first, so creatures like Segovian Angel, Angelic Cub, and Boon-Bringer Valkyrie
Im Sirius
Gruff Triplets' effect will consolidate all that power if any of the three creatures die, so no power is lost as the three Triplets are lost until the last one dies
This is a problem that Wizards of the Coast has admitted, with senior designer Gavin Verhey stating that future sets would aim to improve white's capabilities in areas like card draw and ramping up your available resources