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
16,658 Inclusions, 1% of 2,424,972 Decks) Why Monstrosity of the LakeMonstrosity of the Lake sees more play than its non-Commander-deck compatriot probably has everything to do with it being in a Commander precon
Rounding out an all-colourless top 3 for 2022, we have Luxior, Giadas Gift
It can be a big deal even in blue decks, spreading out the cost of your effects between your colours (assuming you are fairly even split already) typically makes your life a lot easier
Castle Garenbrig I wrote about this card when it was previewed and I still believe its good for the exact same reasons
So, why wait