Ritual of Grace (SOVR-EN056)

This card is used to Ritual Summon "Divine Grace - Northwemko". You must also Tribute monsters whose total Levels equal 7 or more from the field or your hand. During your Main Phase, you can remove from play this card from your Graveyard to make 1 face-up Ritual Monster you control become un-targetable by effects this turn.

spell / Ritual, Stardust Overdrive