yugioh decks that special summon a lot Complete Custom Deck for Yu-Gi-Oh! GX Cards for slowing down special

The puzzle was figuring out how to cast this blue sorcery as an instant, giving you the first crack at a new hand of seven cards and skirting the Time Stop effect this has if you cast it during your own turn

They don't buy and sell Magic cards like stocks

Form of the Merfolk

While skipping one-drops is doable, especially in slower decks, not being able to play three-drops as well means that playing Gyruda, Doom of Depths as your companion essentially means that you're guaranteeing you'll cast a maximum of four mana worth of spells (two two-drops) across the first three turns of the game, which is certainly too slow for older formats like Modern and Pioneer, and likely too slow for Standard as well

Is the Sacrifice + Shallow Grave + Scholar of the Ages combo legal to play

As a quick effect, you can tribute one dark monster and reveal 3 normal traps from your deck