blade-wing demon

blood mana 2 (each {p/b} mana on this card can be
paid for with {b}, or {b} and up to 2 life. for each
life lost this way put a blood counter on it).
flying
this creature gets +1/+1 for each artifact
equipped to it.
{t}, remove 2 blood counters: equip target artifact
with equip to this creature.