yu gi oh suship deck The Best in the Game! Gunkan Post Beginning of Turmoil! [Yu-Gi-Oh! Master Duel] Gunkan Suship Shari - Dawn

The reason is that if you wait, you can draw another Thoughtseize and line it up against Hero's Downfall, creating an opening for your Ashiok

You must pay the costs to cast that spell

While this may seem odd, essentially this means you can get multiple cascade triggers off of it if you can play it for cheap or just have a lot of mana

Phenomenon Investigators isnt inherently bad, but there are almost certainly better options to replace it with

Id like to have this card higher, personally, but I dont see many other homes for the card besides white control decks

The card allowed players to mess with their opponents by forcing ties into overtime and then using cards like Sparks to win matches