I feel that there are a lot of broken combos that can be done with this card, players just haven't found them yet, but it's also a card that could whiff quite easily if there's not enough fuel to finish off its combos
These cards are Charizard ex, Gardevoir ex, and by far the most iconic and expensive card of the entire setMew ex, colloquially known to the TCG community as Bubble Mew
Put a +1/+1 counter on it and untap it
These decks often utilize Strip Mine and Wasteland, and you can find combos with Dark Depths in them
This was certainly the hardest list Ive put together so far, but with the amount of games I have under my belt, Im confident in my picks
However, unlike its original version which was cumbersome to get on the field, this one can do so through XYZ Summoning or using another Atlantean or Mermail XYZ monster as an overlay