Zeth, the Oracle of the Abyss

Ward—Pay 3 life
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.)

Whenever Zeth, the Oracle of the Abyss deals combat damage to a player, you may look at that player’s hand. You may cast an instant or sorcery card from their hand without paying its mana cost.