mtg cards like teferi's protection 9 best Magic: The Gathering you can actually put in your deck They phase in before you untap during your untap step.) Exile Teferis Protection Mtg Strixhaven: Mystical Archive Mythic

On top of that, its possible that the actual effects of these spells might not matter much when it comes to their usability

Sanctum Seeker

Is it imperfect because it requires people to gauge their own decks

During the match: If I'm not luck and I can't draw a Jace's Phantasm , Wight of Precinct Six will defense me this way, because when I cast it (2-3rd turn) I'm almost sure it is a 3/3 - 4/4, a very nice defense (it can do almost Fog Bank 's work)

Seriously, look at all the graveyard manipulation you could do in 2002, and that thing was still restricted in vintage

The goal is to apply maximum pressure with minimal threats to force your opponent to crack their wrath for minimal value