Gate of No Gate

Gate of No Gate enters the battlefield tapped.
{t}: Add one mana of any colour to your mana
pool.
{4},{t}: Create either a 3/2 blue and black
Wandering Mage creature token with Hexproof,
a 2/2 white Monk creature token with first strike,
or a 2/3 poet with indestructible.
You may control no more than one of each.