Ancient colossus

Indestructible, divinity 5 (whenever five or more divine counters are put on this card exile it and return it to the battlefield transformed)

Cycling {1}{r} - (you may discard this card and pay its cycling cost if you do draw a card)

If this card gets cycled shuffle it back in its owners library instead

Whenever you cycle this card if it’s the fourth time you have done so you may cast it without paying its mana cost instead of discarding it