Calculated Dismissal [Mystery Booster] Cephalid Rogue you may copy that spell

you may copy that spell or ability

nonland card with a mana value less than Narset's power from a graveyard and copy it

you may look at that card and you may cast it if it's a creature spell

Nimrodel Watcher gets +1/+0 until end of turn and can't be blocked this turn

Calculated Dismissal [Mystery Booster] Cephalid Rogue you may copy that spellSet: Mystery Booster Type: Instant Rarity: Common Cost: {2}{U} 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 of your library and the rest on top in any order.)