Annul | Instant | | Counter target artifact or enchantment spell. | Christine Choi
Lost in a Labyrinth | Instant | | Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Winona Nelson
Swan Song | Instant | | Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying. | Peter Mohrbacher
Triton Tactics | Instant | | Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step. | Jack Wang