Big Apple, 3 a.m. - Teenage Mutant Ninja Turtles Eternal - 42

Land

This land enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.
{5}, {T}: Create a 1/1 black Rat creature token for each opponent you have.

Rare · Teenage Mutant Ninja Turtles Eternal · #42 (TMC)

Illustrated by Daniel Romanovsky