
Counter target spell unless its controller pays {3}.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Calculated Dismissal has 2 printings, first in Magic Origins (2015). EDHREC ranks it #16,447 among Commander cards. It appears most in Jace, Vryn's Prodigy // Jace, Telepath Unbound decks (207 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.