Lost Burn Super Sonic/Volt Tackle Magnezone Prime, with its Lost Burn attack, can feasibly KO any Pokmon

Synthoids Aang and Katara Aang and La, Ocean's Fury Aang, A Lot to Learn Aang, Air Nomad Aang, Airbending Master Aang, Destined Savior Aang, Master of Elements Aang, Swift Savior Aang, at the Crossroads Aang, the Last Airbender Aarakocra Sneak Aardvark Sloth Aatchik, Emerald Radian Abaddon the Despoiler Abattoir Ghoul Abbey Gargoyles Abbey Griffin Abbey Matron Abbot of Keral Keep Abdel Adrian, Gorion's Ward Aberrant Aberrant Manawurm Aberrant Mind Sorcerer Aberrant Researcher Abhorrent Oculus Abhorrent Overlord Abigale, Eloquent First-Year Abigale, Poet Laureate Aboleth Spawn Abolisher of Bloodlines Abominable Treefolk Abomination Abomination of Gudul Abomination of Llanowar Abomination, Irradiated Brute Abomination, Terrifying Titan Abomination, World Ravager Aboroth Aboshan, Cephalid Emperor Absolute Virtue Absolver Thrull Absolving Lammasu Absorbing Man Absorbing Man and Titania Abstract Iguanart Abstract Paintmage Abstruse Archaic Abu Ja'far Abuelo, Ancestral Echo Abuna Acolyte Abundant Maw Abyssal Gatekeeper Abyssal Gorestalker Abyssal Harvester Abyssal Horror Abyssal Hunter Abyssal Nightstalker Abyssal Nocturnus Abyssal Persecutor Abyssal Specter Abzan Battle Priest Abzan Beastmaster Abzan Devotee Abzan Falconer Abzan Guide Abzan Kin-Guard Abzan Skycaptain

Thats not too hard of a deal to make (especially since they get to draw two cards), but its something to keep in mind nonetheless
Play a bunch of games, test out new strategies, find out what cards are best on different turns, and dont be afraid to lose
Booster Bundles from other modern expansions are costing well over $60 on average, including White Flare, Black Bolt, Surging Sparks, and Chaos Rising