Now I know how to set up cards!"
Once it rotates from Standard, it will never see play again, unless there is a need to have a fifth or sixth Oblivion Ring in a deck (that's an interesting deck to think about)
For the purposes of playing, they are equivalent to one another (that is, you can still only play a maximum of 4 copies in a deck no matter if you are playing the Godzilla Series or Ikoria versions)
My dataset drew from every published Magic Online list from scheduled events between February 23 and March 23, as well as all published decklists from a selection of tabletop events, including the $uper $unday RCQ at SCG CON Richmond, the Hunter Burton Memorial Open, the 4Seasons Modern Event, and the 33rd God of Modern Tournament
You can set up a huge attack in a counters-heavy deck with this, and its best friends with haste-granting effects like Rhythm of the Wild