Hans, Run!" A Girl and Her Dogs (playtest) A Good Thing (playtest) Aang, Airbending Master Aang, Master of Elements Aang, at the Crossroads Aberrant Researcher Abhorrent Oculus Abhorrent Overlord Aboroth Abzan Beastmaster Acridian Act of Authority Aegis Sculptor Aether Vial Aethersquall Ancient Afflicted Deserter Afiya Grove Agent of Masks Ajani's Mantra Akroan Horse Aku Djinn Akuta, Born of Ash Albino Troll Aleatory Alexios, Deimos of Kosmos All Hallow's Eve Aminatou, Veil Piercer Amplifire Amy's Home Ana Sanctuary Ancestral Knowledge Ancestral Vision Ancient Hydra Ancient Runes Angel of Flight Alabaster Anowon, the Ruin Sage Antarctic Research Base Anurid Scavenger Apathy Aplan Mortarium Apocalypse Demon Arc Blade Arcades Sabboth Arcane Denial Arcbound Fiend Arcbound Overseer Arcbound Overseer Avatar Archangel Avacyn Archdemon of Greed Archdemon of Unx Archery Training Archfiend of the Dross Arctic Nishoba Arctic Wolves Aretopolis Argentum Masticore Arguel's Blood Fast Armageddon Clock Arms Scavenger Arnjlot's Ascent Artful Maneuver Artificer's Hex As Foretold Ascendant Acolyte Assault Suit Assemble the Legion Astrolabe Asylum Visitor Atraxi Warden Aura Flux Avalanche Riders

Most of these picks will be for Standard as that is what Standard set releases tend to impact the most, but there are a couple here that are more suited for older formats
Loxi: This is actually really solid removal for vehicle decks, if you have at least one or two things on board this can snipe a huge chunk of threatening creatures that you won't be able to tackle with combat
Like the others Zekroms in this list, Voltage Burst attack starts at 130 damage and gains +50 for each Prize card your opponent has taken, creating late-game knockout potential
deck is likely nearly empty