1/1 Bird tokens might not seem like much, but it only takes a couple of turns until you have a massive army in the air

A Little Chat Abigale, Poet Laureate Aboleth Spawn Absorbing Man Abyssal Harvester Activated Sleeper Adagia, Windswept Bastion Adventurous Eater Aethertow Agate Instigator Agrus Kos, Eternal Soldier Altar Ibn-La'Ahad Altered Ego Amphibian Downpour Amphin Mutineer Angel of Indemnity Angel of Sanctions Anhelo, the Painter Anikthea, Hand of Erebos Anointer Priest Applied Geometry Araumi of the Dead Tide Arboreal Alliance Arcane Artisan Arcane Heist Arcane Proxy Arcane Savant Ardyn, the Usurper Arna Kennerd, Skycaptain Artisan of Forms Ashad, the Lone Cyberman Ashling's Command Ashling, Flame Dancer Ashnod the Uncaring Assemble from Parts Assembly Hall Assimilation Aegis Astral Steel Audacious Swap Aurora Shifter Auton Soldier Aven Wind Guide Back from the Brink Banish into Fable Banshee of the Dread Choir Barkshell Blessing Baron Helmut Zemo Barroom Brawl Battle for Bretagard Battlemage's Bracers Beamsplitter Mage Belonging Benthic Anomaly Bifurcate Biowaste Blob Blade of Selves Blade of Shared Souls Blazing Firesinger Bloodforged Battle-Axe Bloodthirsty Adversary Blue Mage's Cane Blue Ribbon Blue Sun's Twilight Body Double Bramble Sovereign Brass Knuckles Brenard, Ginger Sculptor Briarblade Adept Brigid's Command Broodbirth Viper Brudiclad, Telchor Engineer Burn Trail

Punishing opponents for casting more than one spell a turn is a great way to slow the game down in your favor, and pairing it with a card like Torbran, Thane of Red Fell, and youve got yourself a recipe for a quick game
Lightning Bolt, on the contrary, isnt legal in Standard or Pioneer, so its Thrum of the Vestige version from FCA is also unplayable in those formats