With so many good instants available, once a player untapped with a Shadowmage Infiltrator and an otherwise empty board the game was practically over, and if there was some small threat left over it could be dealt with in due time
It also can continue copying creatures, gaining their power, toughness, and abilities every turn
As much as people complain about Smothering Tithe, it does what white needs reduces the number of spells each player can cast per turn
1 Sphinx's Revelation
(2024-01-12) When you surveil, you may put all the cards you look at back on top of your library, you may put all of those cards into your graveyard, or you may put some of those cards on top and the rest of them into your graveyard
I personally have made the mistake several times of buying sleeves that I thought looked really cool, only to open them and then discover that they were designed for a completely different TCG and that they dont even fit my Yu-Gi-Oh cards at all