The Alchemist

When The Alchemist enters the battlefield, gain control of all target creatures an opponent controls.
{b}{g} Regenerate The Alchemist
{c}{w}{r}{u} Regenerate all creatures you control.
Partner with Guillian(you can have two commanders as long as they both have Partner)
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The Hand of the King didn't like the Giant. The Giant didn't like the Hand of the King. But they did agree on one point. Nobody liked The Alchemist