Battery Bearer

Creatures you control have vigilance and ": Add one mana of any color. Spend this mana only to cast a creature spell."

Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.

Whenever T'Challa enters or attacks, create a tapped Vibranium token. (It's an artifact with indestructible and ": Add . This mana can't be spent to cast a nonartifact spell.")

Whenever you cast an artifact spell with mana value 4 or greater, put two +1/+1 counters on T'Challa.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

Equipped creatures you control have flying and haste.

At the beginning of your end step, if you control a creature with power 5 or greater, you may draw a card.

: Add .

Other blue creatures you control get +1/+1.

: Target artifact creature becomes blue until end of turn.

Tap an untapped blue creature you control: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

: Add . When you spend this mana to cast a spell with mana value 6 or greater, draw a card.

Partner (You can have two commanders if both have partner.)