These are called synergy spells. Synergy Spells Start by listing 30 to 40 cards that synergize well with your chosen commander or archetypes game plan
Alpharael, Dreaming Acolyte Ancient Excavation Architects of Will Carlo, Suave Schemer Clutch of the Undercity Cyclonus, the Saboteur Dihada's Ploy Dimir Infiltrator Dire Undercurrents Disciple of Deceit Dreadwing Scavenger Emet-Selch, Unsundered Evangel of Synthesis Great Intelligence's Plan Horrid Shadowspinner Jhessian Zombies Kaito Shizuki Kang, Temporal Tyrant Katara, Seeking Revenge Lazotep Chancellor Likeness Looter Locke Cole Mob Lookout Obsessive Stitcher Oskar, Rubbish Reclaimer Perplex Prowler, Clawed Thief Psychatog Psychic Frog Shadowstorm Vizier Soul Ransom Tainted Indulgence The Ancient One Tiger Shark, Abyssal Hunter Tomebound Lich Ultron, Unlimited Unfulfilled Desires Vohar, Vodalian Desecrator
Nasty pair of fun times to break things down with
Skyshroud Condor is a target for inclusion to bulk up the creature suite to be more resistant to Engineered Plague and Goblin Sharpshooter
Fun fact: Regices icy form is said to be as old as the glaciers themselves
Doubling up on your tap effects can be incredibly powerful when built around