Murktide Regent is just a big dumb flying creature, but its really good at being big, dumb, and flying
This IS an equipment, and RW cares about that, so it probably gets played more often than it would in most formats Lots of sets lately seem to have an Artifact that is a removal spell, and it is nice that you can play them in any deck, but they tend to be pretty inefficient, and thats kind of the case here
For example, Bedlam Reveler will cost RR to cast if you have seven instant and sorcery cards in your graveyard while you control Geist-Fueled Scarecrow
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) When RMS Titanic deals combat damage to a player, sacrifice it and create that many Treasure tokens
The Limited experience was also one of the most interesting
Or sacrifice it to Attrition and then bring it back