I played some with this Benedictus deck:

Spoiler: Deck List and Code
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### Mind Games
# Class: Priest
# Format: Standard
# Year of the Mammoth
#
# 2x (1) Crystalline Oracle
# 2x (1) Mind Vision
# 2x (1) Pint-Size Potion
# 2x (1) Potion of Madness
# 2x (3) Curious Glimmerroot
# 2x (3) Mind Control Tech
# 2x (3) Thoughtsteal
# 2x (4) Mindgames
# 2x (4) Shadow Madness
# 2x (4) Shifting Shade
# 2x (5) Devour Mind
# 2x (6) Cabal Shadow Priest
# 2x (6) Embrace Darkness
# 1x (7) Archbishop Benedictus
# 1x (8) Shadowreaper Anduin
# 2x (10) Mind Control
#
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#
# To use this deck, copy it to your clipboard and create a new deck in Hearthstone


It is 100% pure memery, but it's actually surprisingly solid. Basically every card in the deck gives you card advantage in the form of stealing from the opponent in some way. The highlight of the deck was the game I talked about over the weekend where I beat a Paladin to getting the exodia combo off. My one real regret is not being able to fit in Drakonid OP (no other dragons for synergy, getting dragons from opponents is too inconsistent), and I kind of wish I had a better 1 of to include than Anduin (he just does not fit this particular deck very well). But overall fun meme deck. Also Pint Size Potion into Cabal Priest catches the opponent off guard -every- time. Being able to steal a 5-6 attack minions is actually quite good and the opponent never plays around it.