It's a little bit subtle, but from the name and the effect, we think this has gotta be a reference to Marvel Snap
Using cards like Entomb or even Final Parting makes assembling Eldrazi-Angel-Exodia pretty easy in Commander, and there arent that many ways to stop it, especially given it stops a Cyclonic Rift (because the spells mana value is still two, even when overloaded)
The first elf creature was Llanowar Elves in the original Limited Edition Alpha set, and they have appeared in just about every set since
It plays in the rare Rakdos spellslinger space, and does some obscene stuff if left unchecked
- one left-handed alternate art Garruk, Caller or Beasts
It's never great to give your enemies the option of losing life to save their creatures, but black has plenty of ways to turn life loss to their advantage