I love that it puts a +1/+1 counter on the creature directly and taps down a blocker each time the equipped creature attacks, so if youve got +1/+1 counter synergies or extra attacks, it will do a lot of work
Creature type payoffs can sometimes be a trap in Limited because players are not guaranteed to open all of the specific creatures they need to make those payoffs pop, but Arahbo fixes this by also being an aggressively costed pack of stats and abilities
In Modern, the Bogles deck tries to put a bunch of auraslike Rancor and Daybreak Coronetonto a hexproof creature like Slippery Bogle or Gladecover Scout
There are others, but, for the sake of time, I wont be able to get into all of them
Expansion 3, Legends, introduces and explores legends, as a new game concept and card type