They enter untapped, provide good fixing, and have few downsides
Having access to a Sun Titan at such a low mana cost is wonderful, and you should play it in your white decks
I'd be more excited about Toggo in a Valduk, Keeper of the Flame deck, but this pair is in red and white so you can run an equipment theme and include the aura All That Glitters to really pump Akiri up
Each of those permanents that is a creature at the time your declare attackers step begins must attack its owner if able
I looked at the all, and I think I've played all but three of them at some point in time in my game playing days, as it's my 2nd favorite color combination to draft for Abedraft (a draft I have of every card ever printed save for around 15 that are too pricey to pickup)
For example, in Bant Midrange you lose Dream Trawler and Elspect Conquers Death