Dominaria United

Stall for Time | Instant | | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Tap up to two target creatures. If this spell was kicked, put a stun counter on each of those creatures. (If a permanent with a stun counter on it would become untapped, remove one from it instead.) Draw a card. | Ryan Alexander Lee

Ertai's Scorn | Instant | | This spell costs {U} less to cast if an opponent cast two or more spells this turn. Counter target spell. | Alex Negrea

Essence Scatter | Instant | | Counter target creature spell. | Anastasia Ovchinnikova

Impulse | Instant | | Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. | Sam Guay

Joint Exploration | Instant | | Kicker {G} (You may pay an additional {G} as you cast this spell.) Scry 2, then draw a card. If this spell was kicked, you may put a land card from your hand onto the battlefield. | Zezhou Chen

Negate | Instant | | Counter target noncreature spell. | Isis

Protect the Negotiators | Instant | | Kicker {W} (You may pay an additional {W} as you cast this spell.) If this spell was kicked, create a 1/1 white Soldier creature token. Counter target spell unless its controller pays {1} for each creature you control. | Dominik Mayer

Rona's Vortex | Instant | | Kicker {2}{B} (You may pay an additional {2}{B} as you cast this spell.) Return target creature or planeswalker you don't control to its owner's hand. If this spell was kicked, put that permanent on the bottom of its owner's library instead. | Dominik Mayer

Shore Up | Instant | | Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.) | Mark Behm

Timely Interference | Instant | | Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.) Target creature gets -1/-0 until end of turn. If this spell was kicked, that creature blocks this turn if able. Draw a card. | Joshua Raphael

Tribute to Urborg | Instant | | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets an additional -1/-1 until end of turn for each instant and sorcery card in your graveyard. | Jodie Muir

Fires of Victory | Instant | | Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.) If this spell was kicked, draw a card. Fires of Victory deals damage to target creature or planeswalker equal to the number of cards in your hand. | Sidharth Chaturvedi