Sacred, The Undying Shield

Flying, Defender
If Sacred, The Undying Shield blocks a creature,
this card may attack as if it didn't have defender
on your next turn, if said creature is destroyed, Sacred, The Undying Shield has Indestructible
and +3/+3 for this attack.
If Sacred, The Undying Shield is removed from
play, roll a d4. Put this card that many below
that many cards in your library instead.