Surgeon General Commander turns every mutate spell into a cantrip, drawing a card whenever a mutating creature merges onto a creature the player controls. It also fixes mana for all five colors so the deck can cast mutate creatures in any color. The plan is a five-color mutate tribal deck: build tall stacks on a few non-Human bodies, chain mutate triggers for value, and keep refilling the hand through the commander so the stacks keep coming. Enchanting a creature also draws, so a handful of auras or self-attaching enchantments can top up the card flow, but mutate is the backbone. How it wins: It builds one or two huge mutated stacks loaded with evasion and combat or damage triggers, then attacks opponents down with them, backed by a deep hand drawn from the commander. Key roles: - Mutate payoffs: These are mutate creatures whose "whenever this creature mutates" triggers stack value each time they go on a pile, such as drawing, tutoring, removing threats, making tokens or ramping. Every one also draws a card off Surgeon General Commander. - Mutate targets and bodies: Non-Human creatures, especially cheap ones, evasive ones or ones with strong static abilities, give mutate spells somewhere to land early. Surgeon General Commander itself, as a non-Human, can be a target too. - Mana and fixing: Mana dorks, rocks and lands that supply all five colors let the deck cast mutate creatures of every color on curve, alongside the commander's own five-color tap ability. - Stack enablers and evasion: Effects that grant flying, trample, unblockability or extra combats turn one tall mutated creature into a fast clock. Abilities copied onto the stack get pushed further through these effects. - Stack protection: The deck puts everything on a single creature, so it relies on hexproof, indestructible, blink responses or sacrifice-proofing to avoid getting blown out by one removal spell. Blinking a mutated pile also splits it back into many creatures. - Enchant value: Auras that attach to the deck's creatures draw cards off Surgeon General Commander and add power or keywords to the mutated threat, giving a light secondary trigger source.