Euron Greyjoy

Whenever Euron Greyjoy enters the battlefield you may sacrifice any number of creatures. For each creature sacrificed this
way create an blood token, draw a card and
add {b} to your mana pool.
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"Kneel, brother. I am your king. I am your god. Worship me, and I will raise you up to be my priest." -Euron Greyjoy.