Ephemerate (Japanese Foil Etched) [Strixhaven: Mystical Archive] DP17 and that player can't activate

and that player can't activate abilities that aren't mana abilities

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{U} Whenever a player casts an instant spell

Temur shaman

Other Elf creatures you control get +1/+1 for each +1/+1 counter on Joraga Warcaller

Set: Oversize Cards Rarity: Rare 3

Ephemerate (Japanese Foil Etched) [Strixhaven: Mystical Archive] DP17 and that player can't activateSet: 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.)