Ekslona City

{t}: Add {1} to your mana pool. If you use this mana to cast an artifact spell, add {1} to your mana pool.
{1}{t}: Flip a coin. If it comes up heads, add {2} and one mana of the colour of your choice to your mana pool. If it comes up tails, add {1} to your mana pool.
{ut}: Ekslona City deals 3 damage to you.