Whenever a Knight you control deals combat damage to a player, put a +1/+1 counter on a creature and create a Blood token. (It's an artifact with “{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.”)
NM-Mint - $2.30
Lightly Played - $2.20
Moderately Played - $2.10
Heavily Played - $1.90
Damaged - $1.50
NM-Mint Non English - $2.30
Lightly Played Non English - $2.20
Moderately Played Non English - $2.10
Heavily Played Non English - $1.90
Damaged Non English - $1.50