Ruins of Oran-Rief enters the battlefield tapped.
: Add . ( represents colorless mana.)
: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn.
1/22/2016 The target of the last ability didn’t necessarily have to be a colorless creature as it entered the battlefield, provided it entered the battlefield during that turn. However, it does have to be a colorless creature to be a legal target of the ability.