Prophecy Celestial, Ramiel

(This ability is active if you have four or more damage):When an Angel Feather rides this unit, choose a card from your damage zone, put it into your hand, and put the top card of your deck into your damage zone, and choose your vanguard, and that unit gets +10000 until end of turn. :When this unit attacks a vanguard, this unit gets +2000 until end of that battle. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)