Odin, King of Gods

Indestructible, Trample
When Odin, King of Gods enters the battlefield, you may tap any number of Valkyrie creatures you control. If you do, Odin, King of Gods enters with x +1/+1 counters on it where x is the number of Valkyrie creatures tapped.
{w}{w}: Odin, King of Gods gains protection from the color of your choice until your next upkeep.