In any deck, youre getting a 4/4 haste creature that comes with a built-in one-sided Howling Mine and a super-hoser against control decks
The Confluence can do that three times, or grow stuff with counters or Regrowth a permanent too
What we do have is a very good delivery moogle, Final Fantasy 6's Kefka, Tidus and Yuna sharing a very tender kiss (congrats, Tidus x Yuna shippers), Final Fantasy 13's Lightning, and Final Fantasy 14's Emet Selch
Mirkwood Bats also works with creature tokens and Clues/Food, so expect this card to fit lots of different decks and hit your EDH table often
Being able to ramp when it attacks or enters the battlefield is a powerful effect, especially in formats with access to fetch lands
For more details on these events, check out the Magic Academy page