Tullious's Plateau

{t}: Add {1} to your mana pool.
{r},{t}: Add {r}{r}, {r}{g}, or {r}{w} to your mana
pool.
{r},{t}: Put a storage counter on Tullious's Plateau
{t}, Remove X storage counters from Tullious's
Plateau: Add X mana in any combination of
colors. Spend this mana only to cast Guinea Pig
spells or activate abilities of Guinea Pigs.
Guinea Pig spells you cast cannot be countered.