Against Izzet Prowess, Temporary Lockdown is still fine on Monastery Swiftspear and Soul-Scar Mage but Spell Snare has weak MV2 targets, so we trim Spell Snare for cheap flexible interaction. Three Steps Ahead can counter their key burn or noncreature threats while also drawing cards to rebuild after their aggression. Kutzil's Flanker is a flash 3/1 that can ambush and trade with their small attackers, but it has only 1 toughness and dies to any burn spell, so treat it as a tempo play. Its gain 2 life and scry 2 mode also helps against their aggression. Keep the remaining Temporary Lockdown and Supreme Verdict as the primary sweepers against their low-toughness creatures.