Karn, Silver Golem Secrets of Strixhaven If you would scry a

If you would scry a number of cards

(You see all cards that player could see and make all decisions for the player

You may cast instant and sorcery spells from among them this turn without paying their mana costs

Whenever an attacking creature dies

Put target creature or enchantment card from an opponent’s graveyard onto the battlefield under your control

Karn, Silver Golem Secrets of Strixhaven If you would scry aWhenever Karn blocks or becomes blocked, it gets 4 +4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.