Gathering of future gods

This card is colorless.
You may discard a card from your hand to reduce
this card's cost by {w}, {u}, {b}, {r}, or {g}.
At the beginning of your untap step you may put
a +1/+1 counter on a legendary creature you
control and scry 2. If this is the third +1/+1
counter put on this creature by this enchantment
it gains an indestructible counter.