Casting multiple spells per turn gets out of hand incredibly fast

Synthoids Aang and La, Ocean's Fury Aang, Destined Savior Aang, Master of Elements Aang, Swift Savior Aang, at the Crossroads Aang, the Last Airbender Aatchik, Emerald Radian Aberrant Manawurm Abhorrent Oculus Abigale, Eloquent First-Year Abigale, Poet Laureate Abomination, Terrifying Titan Absolute Virtue Absolving Lammasu Absorbing Man Abstract Paintmage Abuelo, Ancestral Echo Abyssal Gorestalker Abyssal Harvester Abzan Devotee Aclazotz, Deepest Betrayal Acolyte of Aclazotz Acrobatic Cheerleader Action News Crew Adaptive Automaton Adaptive Gemguard Adelbert Steiner Ademi of the Silkchutes Adept Watershaper Adorned Crocodile Adrenaline Jockey Adventurous Eater Aegis Sculptor Aegis Turtle Aerial Doombot Aerith Gainsborough Aetherjacket Affectionate Indrik Afterburner Expert Aftermath Analyst Agate-Blade Assassin Agatha of the Vile Cauldron Agatha's Champion Agency Coroner Agency Outfitter Agent 13, Sharon Carter Agent Bishop, Man in Black Agent Maria Hill Agent Phil Coulson Agent Venom Agent of Atlas Agent of Kotis Agents of HYDRA Agents of S.H.I.E.L.D

Forgotten Cave
But in my run here, I had this to contend with: Dear goodness: Power Struggle and no instants or interrupts allowed
If you're looking to improve your Standard Magic: The Gathering Arena or paper decks, then there are some big cards from the Teenage Mutant Ninja Turtles set that are likely to penetrate the current meta
Cards like Furnace of Rath, Dictate of the Twin Gods, Angrath's Marauders, Fiery Emancipation, and City on Fire double or triple damage output