Mold Demon
{5}{B}{B}
Creature -- Fungus Demon
6/6
When ~this~ enters, sacrifice it unless you sacrifice two Swamps.
Primeval Force
{2}{G}{G}{G}
Creature -- Elemental
8/8
When ~this~ enters, sacrifice it unless you sacrifice three Forests.
Rathi Dragon
{2}{R}{R}
Creature -- Dragon
5/5
Flying (~this~ can't be blocked except by creatures with flying or reach.)
When ~this~ enters, sacrifice it unless you sacrifice two Mountains.