Ironically, the expensive finisher is the draw for Commander, with the removal spell being the 'hidden' reward
It might not seem like a lot since three mana isnt a huge commitment, but it can mean the difference between playing just one creature face-down and passing, and playing a creature face-down and then being able to flip it back over before your next turn
Plenty of cards from that set offer benefits based on the number of party members or even having a full party with one of each creature type
The card has only had two printings and theyve only been in some of the rarest types in the card game, Secret Rare and Ultimate Rare
[1] If you control a Fusion Monster that must be Special Summoned with "Dark Fusion", you can Special Summon this card (from your hand)
The ability to discard your hand and draw 7 cards is a monstrous card advantage and is one of the main reasons why Professors Research is so much more valuable than other cards contained with the Sword & Shield set