Blood King's Elite

When Blood King's Elite deal combat damage, put X amount of blood counters on it, where X is the amount of damage dealt by this creature.
{1}{r}{r}: Blood King's Elite gets +X/+0 until end of turn, where X is the amount of blood counters on it.
Blood King's Elite has to attack each turn if able.
I can feel the blood soak my veins with POWER!