First, whenever a creature you control dies, each opponent has to exile a creature of their own--this reminds me of a card like Grave Pact, only better because the casting cost is two Black versus three Black and exiling is better than sacrificing
I do like Green getting this kind of effect and Riftsweeper still seems like secret tech to me
Pokmon Trading Card Game - Players use Pokmon cards to battle each other, aiming to knock out their opponent's Pokmon
The ability to destroy two Monsters on the field is not to be understated, and if timed correctly, can force your opponent to end their turn
Hyper Librarian Limited Synchro Monster Effect Monster - 5 Spellcaster 2400 1800 1 Tuner + 1+ non-Tuner monsters If a monster is Synchro Summoned: Draw 1 card
It answers basically anything, and that flexibility is great