Icy Kelp Forest

Icy Kelp Forest enters the battlefield tapped.
{t}: Add {r} or {g}.
{2}{r}{g}: Explore this biome. (Choose one at
random: Create a 2/2 green fish creature token or Icy
Kelp Forest deals two damage to target creature or
create a colorless titanium artifact with: "sacrifice this
artifact: add {c}")