Command Tower

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

"Who lives in a pineapple under the sea?
SpongeBob SquarePants
Absorbent and yellow and porous is he
SpongeBob SquarePants
If nautical nonsense be something you wish
SpongeBob SquarePants
Then drop on the deck and flop like a fish
SpongeBob SquarePants"