No, creature abilities do not have summoning sickness. Only creatures themselves have summoning sickness, which prevents them from attacking or using tap abilities the turn they enter the battlefield.
No, you cannot activate creature abilities if they have summoning sickness.
No, abilities that require a creature to tap or attack cannot be used if the creature has summoning sickness.
No, you cannot activate mana abilities while a creature has summoning sickness.
Yes, summoning sickness can prevent a creature from attacking or using its abilities on the turn it enters the battlefield.
No, creature tokens do not have summoning sickness.
No, activated abilities do not have summoning sickness.
No, tap abilities do not have summoning sickness.
No, you cannot tap a creature with summoning sickness.
No, a creature with summoning sickness cannot block an opponent's creature.
In Magic: The Gathering, summoning sickness prevents a creature from attacking or using abilities that require tapping on the turn it enters the battlefield.
No, you cannot activate a creature's ability when it has summoning sickness.
Yes, Mutavault has summoning sickness when it becomes a creature.