Zrokos, The Blood Sword

Equipped creature gets +X/+0, Where X is the number of blood counters on Zrokos, The Blood Sword
When equipped creature deals combat damage to
a creature, put a +1/+1 counter on it and a blood counter on Zrokos, The Blood Sword
When equipped creature deals combat damage to
a player, put 2 +1/+1 counters on it and 3 blood counters on Zrokos, The Blood Sword
Equip {4}