Cryptic Gateway [Onslaught] Return of the Duelist SE if your opponent activates a

if your opponent activates a Trap Card

You can only activated 1 "Spellbook of Power" per turn

Set: Guilds of Ravnica Type: Instant // Instant Rarity: Uncommon Cost: {U/R} // {4}{U}{R} Switch the power and toughness of each of up to two target creatures until end of turn

" —Orcish proverb

and they are destroyed during your next End Phase

Cryptic Gateway [Onslaught] Return of the Duelist SE if your opponent activates aSet: Onslaught Type: Artifact Rarity: Rare Cost: {5} Tap two untapped creatures you control: You may put a creature card from your hand that shares a creature type with each creature tapped this way onto the battlefield. Its lock changes to fit each key.