Its not unwinnable by any stretch of the imagination, but this is the roughest matchup by a longshot
[1] When your opponent Normal or Special Summons a monster(s) while you control "Dragon City Atlantis": Negate that Summon, and if you do, destroy it, then if you control a WATER Link monster, you can destroy all non-WATER monsters on the field
While this means you always need to be aware of these effects they are quite easy to get used to with a little praxis
2, 3, or 4: Destroy 1 Spell/Trap on the field
This pack comes with two decks, which makes it great for two people who are looking for a way to jump right into a face-off
One is to summon it as soon as possible to protect your other plays from monster effects, the other is to keep it in the pendulum scale for a pendulum summon