Ephemeral Shields [Mystery Booster] Hidden Arsenal and the removed monster will

and the removed monster will be returned to the opponent's side of the field in the same battle position during your second Standby Phse after activation

Set: Onslaught Type: Instant Rarity: Common Cost: {1}{B}{B} Destroy target creature with power 2 or less

during a turn in which you activated a Spell Card

"Who needs the sun when you've got me around

Ephemeral Shields [Mystery Booster] Hidden Arsenal and the removed monster willSet: Mystery Booster Type: Instant Rarity: Common Cost: {1}{W} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)