Template:Blood Knight strategy
This 3/3 card for 3 mana can be an incredible game-changer. If played while minions with Divine Shield are on the board he removes all existing ones and buffs himself with +3/+3 per shield removed. So if 3 minions are on the board with Divine Shield he would become a 12/12 for only 3 mana. Very good in a paladin deck or playing versus a paladin. Against decks with the right type of removal, this minion can be risky to play. If you have both this card and several other Divine Shield minions in your hand and on board, it may be correct to not consume all Divine Shields, but to play Blood Knight first and then some Divine Shield minions from your hand. This way you do not risk a great majority of your board being neutralized if your opponent has a cheap way to remove your Blood Knight.
The maximum buff Blood Knight's Battlecry can grant is +39/+39, with 13 other Divine Shield minions on the board, resulting in a 42/42 Blood Knight.
Blood Knight synergizes extremely well with 
Bolvar, Fireblood or Light's Sorrow as Bolvar's/Light's Sorrow's attack quickly grows once Blood Knight destroys several Divine Shields.
Steward of Darkshire combined with Stand Against Darkness will give you 5 Silver Hand Recruits with Divine Shield. However, you need too reduce the cost of at least one of the cards in order to play Blood Knight for a fearsome 18/18.
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