guardian cards yugioh Angel Joan [IOC-087] Ultra Rare – Galaxy Games LLC and Trap Cards to defeat their opponents monsters and be the first to drop the others Life Points to 0 Guardian Kay'est - Yugipedia

Not only does she hand out prowess to ALL creatures, but you can steal cards from any graveyard

Most might not think of it, but Target's preorder cards are actually plastic over TRU/other store's paper cards

You will also need creatures that dont get swept away in the tide of Golgari Charms -1/-1 mode

These are the free sacrifice outlets in this deck: Altar of Dementia Carrion Feeder Cartel Aristocrat Spawning Pit Viscera Seer Priest of Forgotten Gods (must tap Priest of Forgotten Gods but should probably be done at sorcery speed unless you have an instant to use with the 2 extra black mana the ability will give you) While these are probably your best targets to sacrifice a creature, there are a couple more

Don't bother with: TCGPlayer for graded cards over $100