Here is the breakdown of Izzet Midrange's most common cards in Standard over the last month, based on 413 decks across 83 tournaments.
MAINDECK STAPLES (near-universal):
- Steam Vents and Spirebluff Canal are the mana base alongside Island, all at ~99-100% presence.
- Stormchaser's Talent, Riverpyre Verge, Boomerang Basics, and Burst Lightning form the core spell package, each appearing in ~89% of lists at 4 copies.
- Sleight of Hand (86%), Opt (85%), and Elusive Otter // Grove's Bounty (84%) provide cantrip and card selection.
- Slickshot Show-Off (84%) and Multiversal Passage (84%) round out the threats and interaction.
- Stock Up (83%) is the main draw engine, and Wild Ride (77%), Bounce Off (75%), Into the Flood Maw (73%), and Secret Identity (68%) are highly common flex pieces.
SIDEBOARD STAPLES:
- Soul-Guide Lantern is an overwhelming sideboard staple at 97% presence. Spell Pierce (90%), Sear (83%), and Ral, Crackling Wit (82%) are also near-ubiquitous. Spell Snare (75%), Pyroclasm (65%), and Torch the Tower (55%) cover the rest of the core sideboard slots.
Sources: Data from 83 Standard tournaments (63% Melee, 37% MTGO).