yugioh treasure deck TACTICAL-TRY Phantom Thief Duo Evil Twin Yu-Gi-Oh! OCG Dragons of Legend Singles Ancient Treasure - Yugipedia

Running a companion in your deck comes with the disadvantage of specific deck build restrictions outlined on each companions card text

3 Time Seal Time Seal, though not being a complex or actively destructive card, was far too powerful to remain in competitive play

Overall, Aqua-type monsters might not receive as much support as their other water-based counterparts, but they can still be incredible options if their effects are strong enough to become meta-relevant

Once it is played it halves the attack and defense of all cards on the field except itself, basically doubling its strength and defense for that turn

The card still sees occasional play in Modern and generally sees a few copies in Rakdos Midrange lists in Pioneer, but its influence nowadays had waned in comparison to its influence in the past, especially when it was Standard legal