Qin, Ruthless Tyrant

+2: Create a treasure token with: sacrifice this token, add one mana of any colour.
-5: Sacrifice any number of creatures, then create X 3/2 terracotta warrior tokens, where X is the sacrificed creatures' total power.
-12: Exile this card. You get an emblem with: whenever a player casts a spell, create X 3/2 terracotta warrior token, where X is the spell's CMC.