The more you grow H&A, the more counters you get to stack on other creatures each combat, so you can make two or more sizeable threats at the same time
its cheaper but has the legendary sorcery restriction, though thats really not a hard hurdle to pass
Getting an Ensnaring Bridge blown up usually means you die on the spot, which makes having a way to copy it with the removal on the stack is a huge, huge deal
Evolution of Sports Cards In the 1930s, companies began to print biographies on baseball cards, and they came with packs of bubble gum
Given how often that'll happen in multiplayer, that's a big commonly done trigger
Even if you barely use the tap ability, this commander still works well because any outside lifegain source helps turn on the same game plan