Cool, thanks! It doesn't. Summoning sickness means a creature cannot attack or tap for abilities that have the tap symbol in their costs.

Does summoning sickness stop tap abilities?

Summoning Sickness is what a creature has directly after it is cast onto the battlefield from a player's hand, graveyard, exile, and command zone; and means that the creature is neither able to attack nor use its tap ability that turn.

Can you tap a creature with summoning sickness to pay a cost?

A creature that is summoning sick cannot attack, and cannot be tapped to pay costs represented by the tap symbol (this also applies to abilities with the Untap symbol as a cost, but those are pretty much entirely contained in the Lorwyn block).