yugioh dragunity legion card list Yu-Gi-Oh! - Tribus (SDDL-EN006) - Structure Deck: Dragunity - 1st Edition 1600 When this card is Normal or Special Summoned Structure Deck R: Dragunity Drive

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

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

[1] If you control a Fusion Monster that must be Special Summoned with "Dark Fusion", you can Special Summon this card (from your hand)

While their other effects are powerful, the fact that they can be used on the opponent's graveyard means they're great for disruption