mtg cards like harmless offering Search Results Boulderloft Pathway T Pact Offering archetype in standard

Will, Scion of Peace Will, Scion of Peace is the lifegain mirror of Rowan, Scion of War

as well as several ways to make it easier to put Wurms on the field and start swinging

Mass of Mysteries If you thought Ashling was the only way to abuse Enter-the-Battlefield triggers, meet Mass of Mysteries

It felt insane

With that said, it is an instant speed non-conditional removal spell so how popular expensive creatures like Lyra Dawnbringer get, as well as how valuable instant speed is, will dictate how much play Murder will see

Two free spells from your hand that cost 5 mana or less can swing any situation in your favour