Naughty // Nice [Happy Holidays] Duel Decks Anthology or triggered ability

or triggered ability

Set: Kaladesh Inventions Type: Artifact Creature — Construct Rarity: Mythic Cost: {4}{U}{U} Flash

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {4} All Swamps are 1/1 black creatures that are still lands

yet no one could predict that this vicious crossbreed would unravel the secret of steel

damage that would reduce your life total to less than 1 reduces it to 1 instead

Naughty // Nice [Happy Holidays] Duel Decks Anthology or triggered abilitySet: Happy Holidays Type: Sorcery Sorcery Rarity: Rare Cost: {1}{B}{B} {1}{W}{W} Search another target player's library for a card and put that card into your hand. Then shuffle that player's library. Reverse Type: Sorcery Search your library for a card and put it into another target player's hand. Then shuffle your library.