Fyndhorn Elves

Boreal Druid

Llanowar Elves

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Sol Ring

Elvish Mystic

Copper Myr

Delighted Halfling

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Esix, Fractal Bloom

Flying
The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix and create that many tokens that are copies of that creature.