Nichirin Sword

Nichirin Sword enters the battlefield with X Breath counters on it.
Equipped creature gets +1/+1 for each Breath counter on Nichirin Sword.
When equipped creature attacks, you may remove all Breath counters from Nichirin Sword. If you do, equipped creature gets +X/+X until end of turn, where X is twice the amount of counters removed from Nichirin Sword.
{1}, Remove a Breath counter from Nichirin Sword: equipped creature gains shroud until end of turn.
Equip Samurai {2}
Equip {4}