Ratonhnhakton is great for an equipment deck because it creates its own targets for your equipment, and skips any prohibitive equip costs on weapons like Colossus Hammer or Blackblade Reforged
Serra Angel and Sengir Vampire
Playing a shock land on turn two and paying the life cost, then passing the turn, is a great way to make your opponent think you are holding counter spells, removal, or a card with the flash ability
The token production from casting spells from exile makes this a decidedly Boros white card, and is a nice bit of gravy on top of an already decent card
Despite being an expensive card, its surprisingly playable thanks to the Sing Together keyword
The beauty of this mechanic is that Little John can continually quest for lore and, if you have a Bodyguard character, he can be protected from challenges while strengthening his protector