Machu Picchu

{t}: add {r}{r}
{x}{t}: create X 0/2 Stone Wall creatures
with Decay 2 (sacrifice them after 2 turns)
{t}{2}{p/r}{r}: target creature you control gains
Vigilance and Mountainwalk until end of turn.
Target creature an opponent controls gains
Menace 3. (it takes 3 creature to block them).