I, II, III Mill three cards
Cards like Dragons Fire already require you to do exactly what Sarkhan is asking
Archon of Cruelty If you want to reanimate, Sneak Attack, and otherwise cheat a creature into play, Archon of Cruelty is often one of your best options due to the overwhelming advantage of eating your opponents board, providing immense card advantage, and pressuring life totals
It is a bit weak when considering defensive uses because it is powerless against an opponent's non-blue win conditions, but it is highly valued for being a 1-mana instant that can deal with troublesome, frequently seen permanents in the environment like Mystic Remora and Rhystic Study
Rating: 5/5 Lena Sabrewing - Rebellious Teenager Lena Sabrewing is the first 2-cost Rush character in Amethyst