Sen's Fortress

{t}, add {c}{c}. Activate only if you control another
non-basic land
{2},{t}: create a 1/1 green
Man Serpent token creature
{2}, Tap another non-basic land you controll ,
create 2 1/1 green Man Serpent creature
tokens, any player can activate this ability
when they can cast a Sorcery
If a player controls more than 3 Man
Serpent tokens they must sacrifice a creature