Inquisitor's decree

Humans you control have +1/+2 and vigilance
Burn the Heretic! Kill the Mutant! Purge the Unclean!-humans you control have{t}deal 1 damage to target
non-human creature, if it dies create a 1/1 human creature token
Imperial tithe- you may sacrifice {x} humans you control to reduce the casting cost of this card by{1}for each creature sacrificed this way