Telessia, the All Kingdom

Telessia, the All Kingdom, comes into play tapped.

{t}: Add two colors in any order to your mana pool.

{4},{t}, {t} target creature you control: All creatures you control gain the ability of the target creature tapped this way.

"This kingdom possesses enormous amounts of mana. I have never seen anything in the multiverse like it."
— Gurath, the Archaeologist.