The Great Spirit Robot

Trample, Annihilator 6, Hexproof. If this card would leave the battlefield, remove ten activation counters from it instead.

Creatures you control have {t}: Gain 2 life.

Whenever you gain life, put X activation counters on The Great Spirit Robot, where x is equal to the amount of life gained.

As long as you have fewer then 20 activation counters on The Great Spirit Robot, it isn't a creature.