Repurposed Water Tower

{t}: Add {r}.
{r}, {t}, Reveal a Human creature card from
your hand: Amass red Humans 1. Activate
only as a sorcery.
{3}{r}{r}{r}: Repurposed Water Tower loses all
abilities and becomes a 4/6 red Human Army
creature with first strike, vigilance and "This
creature attacks or blocks each combat if able."