Excalibur

Excalibur enter the battlefield with a stone counter and can't be equipped as long as it have the stone counter.
{w}{u}{b}{r}{g} : Remove the stone counter from Excalibur.
{1} : Remove the stone counter from Excalibur, activate this ability only if you control a Hero creature.
Equip {2}
Equipped creature gets +2/+2, deathtouch and lifelink.