Your search for "Stoic Ephemera 4" revealed the following:
Stoic Ephemera (GK2) from RNA Guild Kit, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Randy Gallegos Card Text:Defender, flyingWhen Stoic Ephemera blocks, sacrifice it at end of combat.
Stoic Ephemera (Foil) (DIS) from Dissension, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Randy Gallegos Card Text:Defender (This creature can't attack.)FlyingWhen Stoic Ephemera blocks, sacrifice it at end of combat.
Stoic Ephemera (DIS) from Dissension, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Randy Gallegos Card Text:Defender (This creature can't attack.)FlyingWhen Stoic Ephemera blocks, sacrifice it at end of combat.
Ephemerate (Etched) (STA) from Strixhaven Mystical Archive, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Rovina Cai Card Text:Exile target creature you control, then return it to the battlefield under its owner’s control.Rebound (If you cast this spell...