Dominaria

Karn's Temporal Sundering | Legendary Sorcery | | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering. | Noah Bradley

Zahid, Djinn of the Lamp | Legendary Creature | Djinn | You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost. Flying | Magali Villeneuve