eerie mtg cards Altered Art Prevent all damage that would be dealt to you and creatures you control this turn by creatures. Eerie Gravestone MTG - Through

Spellgyre is less efficient, but will still see play across formats, especially with that surveil text

Youll always choose the more relevant ability for the moment

Based around scrying and casting high value instants and sorceries, Elminster's static ability reduces the mana cost of the next instant or sorcery you would cast by the number of cards you looked at the last time you scried

At minimum you'll be paying 3 mana to save your commander, draw and discard a card which feels like a fair deal for its mana cost and I can see many Dimir graveyard, discard, reanimator or Izzet/Grixis wheel deck slot this card for its instant speed potential