Team 1 mid diif,putting tsunade and onoki in the same team is quite harshxd,then adding gaara in it makes it a pretty formadible team.
Gaara dosent need an antidote,since his sand armour and shield/shere would render scratches obselete.
Gaara first does this
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to change the ground a bit and to counter kisame's water,
then onoki does a giant rock golem,to smash them.
Gaara could trap them with karura clones
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or make a karura clone the size f noki's giant golem to aid them both.
Tsunade and onoki does a massive jinton,fight is over
team 1 high diff