Monuments of the Giants

{t}{1}, loose 1 life, create a clue token
{ut}, add{r}{r}
Other artifacts tap abilities are un-tap abilities.
Other Artifacts tap during your untap step.
At the beginning of your upkeep, if you have
exactly 13 life and 3 or more taped artifacts,
create 4, 8/8 giant tokens with hexproof,
indestructible, and reach