Thanks to it being a "Cyber" card, it can be searched out with Cyber Dragon Core, making it a common inclusion in most Cyber Dragon builds as a one-of
R Rare Double Defender X SPELL Continuous Once per turn, when an opponent's monster declares an attack while you control 2 or more face-up Defense Position monsters: You can target the attacking monster
Its first Move is also special since it allows it to use any of its previous Moves from its Horsea or Seadra forms without paying their Energy Cost
Thankfully for you, Jokulhaups exists, and thats definitely more than powerful enough to be worth your time
This listing contains Toon deck of 50 anime cards, which are showed in the pictures
However, in the anime, it's strong if it can be brought out, but the summoning conditions are too difficult, so it's treated as a monster that no one can use