Artificer's Epiphany | Instant | | Draw two cards. If you control no artifacts, discard a card. | Kieran Yanner
Bone to Ash | Instant | | Counter target creature spell.
Draw a card. | Clint Cearley
Calculated Dismissal | Instant | | 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.) | Karl Kopinski
Clash of Wills | Instant | | Counter target spell unless its controller pays {X}. | Yan Li
Disperse | Instant | | Return target nonland permanent to its owner's hand. | Ryan Yee
Hydrolash | Instant | | Attacking creatures get -2/-0 until end of turn.
Draw a card. | Clint Cearley
Negate | Instant | | Counter target noncreature spell. | Jeremy Jarvis
Psychic Rebuttal | Instant | | Counter target instant or sorcery spell that targets you.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may copy the spell countered this way. You may choose new targets for the copy. | Todd Lockwood
Send to Sleep | Instant | | Tap up to two target creatures.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps. | Cynthia Sheppard
Turn to Frog | Instant | | Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1. | Warren Mahy