“UR Aggro leverages cheap cantrips and spell-casting payoffs to develop threatening creatures that grow or gain evasion as spells resolve, pressuring opponents with a tempo-forward gameplan. The deck uses Slickshot Show-Off and Stormchaser's Talent as its primary win conditions, fueled by a high density of cheap interaction and card selection to maintain velocity. Burst Lightning provides both early removal and late-game reach, giving the deck multiple angles to close out games before the opponent stabilizes.”
Missing sideboard cards? The full 15-card sideboard runs about $13.33.
Buy sideboard on ManapoolThis is a mirror-adjacent matchup where both decks race with cantrips and growing threats, so protecting our own spells and tempo matters more than reactive removal. Spell Pierce lets us counter their noncreature spells like Prismari Charm, Traumatic Critique, or Flow State if they tap out, while Spell Snare cleanly answers their mana value 2 spells like Prismari Charm, Flow State, or Get Out. Neither card can touch their creature spells such as Eddymurk Crab or Sunderflock, so we use them to win the spell-for-spell fight rather than to stop threats. Impractical Joke only deals 3 and whiffs on their 5-toughness Eddymurk Crab and 5-toughness Hearth Elemental, while Secret Identity is better used offensively than defensively here, so both are the easiest cuts. Keep the core engine intact since we want to out-tempo them with our own velocity.
This is the mirror match, so the player who can both sweep the opponent's small creatures and protect their own threats usually wins the race. Fire Magic at the Fira tier for 2 mana deals 2 damage to each creature, which cleanly answers their Elusive Otter and Pompous Battlemage while usually surviving our own bigger bodies. Sear's 4 damage reliably kills their Slickshot Show-Off even after a pump trigger or two. We cut Impractical Joke since its 3 damage is redundant with our new removal suite, and Vibrant Outburst since tapping one creature matters less than sweeping the board in a mirror full of small creatures.
Dimir Midrange fields small, resilient value creatures like Dream Beavers, Spyglass Siren, and Floodpits Drowner alongside Kaito, Bane of Nightmares, so efficient removal that doesn't whiff matters. Fire Magic at the Fira tier for 2 mana deals 2 damage to each creature, sweeping their small dorks while leaving our bigger threats mostly fine, and Sear's 4 damage kills almost anything they play including Kaito's 3/4 ninja form. Impractical Joke's 3 damage is redundant with Sear and Fire Magic covers the sweep role better, while Bounce Off is too tempo-negative against a deck that will just replay its value creature. We keep Secret Identity and Burst Lightning as flexible interaction and evasion to keep pressuring through their removal suite.