No, creature tokens do not have summoning sickness.
No, tokens do not have summoning sickness in Magic: The Gathering.
No, you cannot tap a creature with summoning sickness.
No, a creature with summoning sickness cannot block an opponent's creature.
No, you cannot activate a creature's ability when it has summoning sickness.
No, you cannot activate creature abilities if they have summoning sickness.
Yes, Mutavault has summoning sickness when it becomes a creature.
In Magic: The Gathering, tokens do have summoning sickness and cannot attack or use abilities that require tapping on the turn they are created.
No, you cannot tap a creature with summoning sickness in Magic: The Gathering.
No, you cannot convoke a creature with summoning sickness during your turn.
No, abilities that require a creature to tap or attack cannot be used if the creature has summoning sickness.
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 mana abilities while a creature has summoning sickness.