Ephemerate (Japanese) [Strixhaven: Mystical Archive] SV118 also your opponent's cards and

also your opponent's cards and effects cannot activate when a monster is Fusion Summoned this way

or Special Summoned

While you control a face-up "Six-Samurai" monster

Set: Core Set 2020 Promos Type: Creature — Elemental Knight Rarity: Mythic Cost: {2}{W}{W}{W} Vigilance

Ephemerate (Japanese) [Strixhaven: Mystical Archive] SV118 also your opponent's cards andSet: Strixhaven: Mystical Archive Type: Instant Rarity: Rare Cost: {W} Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)