It's a huge swing to steal someone's extra draw when given the opportunity, putting them down expected cards and you up cards
These cards are hard stax pieces, like Armageddon (lands), Jin-Gitaxias, Core Augur (hands), Hall of Gemstone (two or more mana colors), Iona, Shield of Emeria (spells of a specific color) Stasis (untap step) and Blood Moon (color fixing from nonbasics) all jump the fence and land squarely in the realm of shutting off decks either entirely or in part, keeping people from playing the game almost at all on their own once online depending on the meta
Knight of the Reliquary
Angel's Mercy still does not deserve a slot, but pump up a lifelink creature Serra Ascendant or Danitha Capashen, Paragon, or jam Sephara, Sky's Blade and you're set for powerful reanimation each turn
Tocasia's Welcome is another card draw engine that rewards us for casting our creatures
Honorable Mention Voja, Jaws of the Conclave This five-mana 5/5 with three abilities, ward 3 to protect, trampling evasion and vigilance to hold back and swinging