At the end of the Damage Step, when this card attacks an opponent's monster, but the opponent's monster was not destroyed by the battle: You can banish that opponent's monster
[/spoiler] [spoiler=Poison of the Old Man] Even though this simultaneously obsoletes both Dian Keto the Cure Master and Ookazi, it is nothing special in a deck where cards deal upward of 2000 damage
Finally, the card pool is an all-over-the-place mix of old and new, so Duel Links' monster archetypeslike Six Samurai, Naturia, Gladiator Beast, Lightsworn, Dark World, and E-Heroare missing crucial cards
There are plenty of empty deck slots that you can use for custom decks, and with over 9000 total cards to unlock and use, there's a lot of room to experiment with here