Worn Dagger

Worn Dagger enters the battlefield with
3 Durability counters on it.
When Worn Dagger enters the battlefield,
attach it to your Warlock.
Equipped Warlock has +1 power.
Whenever equipped Warlock takes
combat damage, remove 1 Durability
counter from Worn Dagger. When
Worn Dagger has no more Durability
counters on it, destroy Worn Dagger.