Whether your opponents monster is in their hand, Deck, Extra Deck, or Graveyard, the Hecahands have something that can grab that opponents monster and Summon it to YOUR field permanently
Another good strategy is to put most of your cards in a defensive position, because the Yami card he plays transforms the surrounding 2-space area into dark terrain, and that can make it tougher to win.Once you beat Darkness Ruler, go duel against Bandit Keith next because his Deck Level is lower than Pegasus's
Speedroid Terrortop supplies two free bodies without using up your normal summon OR hand resources
Lastly, Sphinx of the Final Word is a cool Control finisher, and I can see it having some play against Dimir and Golgari Midrange for various Control strategies in the near future
Some cards are human characters, some are objects like a Pokball or a healing potion
This type of card is more special in our Yu-Gi-Oh