The first Location is Forbidden Mountain Maleficents Castle
Muxus, Goblin Grandee Muxus, Goblin Grandee absolutely crushed some Constructed formats upon release
Although it fits a nice spot on the curve, you dont need to play it on turn three against the red removal decks, and instead can wait until Ajani, Adversary of Tyrants or Lyra Dawnbringer can help it survive those removal spells when youre not under too much pressure

Abstruse Appropriation Abstruse Archaic Abstruse Interference Abundant Countryside Access Denied Accomplished Automaton Adarkar Unicorn Adarkar Wastes Adverse Conditions Aerith Rescue Mission Aether Chaser Aether Herder Aether Inspector Aether Poisoner Aether Swooper Age of Ultron Akki Ember-Keeper Ambitious Aetherborn An-Havva Township Ancient Kavu Ancient Stirrings Ancient Stone Idol Ancient Tomb Angel of Invention Angelic Aberration Angelic Intervention Angelic Sleuth Anim Pakal, Thousandth Moon Animation Module Antique Collector Archaeological Dig Architect of Restoration Architect of the Untamed Ashnod's Altar Ashnod, Flesh Mechanist Aspiring Aeronaut Astrologian's Planisphere Automated Assembly Line Auxiliary Boosters Avatar Kuruk Aviation Pioneer Awakening Zone Aysen Abbey Azlask, the Swelling Scourge Baboon Spirit Back on Track Baku Altar Barbed Spike Bard's Bow Barrage Tyrant Basalt Golem Basalt Monolith Basilica Shepherd Basking Broodscale Battlefield Forge Baxter Stockman Bearer of Overwhelming Truths Bearer of Silence Belonging Benthic Anomaly Big Mother Mouser Biomechan Engineer Birthing Boughs Birthing Hulk Black Mage's Rod Black Market Connections Blacksmith's Talent Blade Splicer Blasted Landscape Blazing Blade Askari Blight Herder Blinding Drone

Swell the Host Ezuri, Claw of Progress was a popular general at the time of his printing and has remained a fairly popular option as time has gone on