My answer is basically the same one a carpenter would give if you ask him why he likes the hammer so much
It's a shame we won't see the impact for a few years, but if this turns out to give me more chances to buy boosters at retail price, therefore increasing my odds of getting those elusive Special Illustration Rares, I'm all in
That means that if you play Frodo, Determined Hero when Swiftfoot Boots is in play - which grants hexproof and haste - you can attack straight away and it cant be targeted, and the attack will trigger the effect again, allowing you to put another equipment card on the Ring-bearer
The card's first effect is less important, but provides decent utility, as the card is treated as "Dark Magician" when it is on the field or the GY
The energy symbol on a real card will not take up the entire circle it is in