generalize SacrificeChosen to SacrificeMultiple
fix missing conversion to singular for sacrifice multiple
add Keldon Arsonist
add Krark-Clan Engineers
add Kuldotha Forgemaster
merge SacrificeAnotherCreature into SacrificeMultiple
replace groovy code with card script
replace groovy code with card script
replace groovy code with card script
add regex for mana cost to ARG
replace groovy code with card script