Karn, Living Legacy
Legendary Planeswalker — Karn
−1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.
−7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."
Legal in
Pioneer, Modern, Legacy, Vintage, Commander
Rulings (7)
For Karn’s second loyalty ability, you don’t choose how much mana to pay until the ability resolves. Once the ability begins to resolve and you have paid, no player may respond until you have finished all the steps of that ability.
2022-09-09
Karn’s emblem has an activated ability that allows you to tap untapped artifacts to pay its cost. Notably, you may tap artifact creatures that entered the battlefield this turn to pay this cost, even if they don’t have haste.
2022-09-09
Powerstone tokens are a new kind of predefined token. Each one has the artifact subtype “Powerstone” and the ability “: Add . This mana can’t be spent to cast a nonartifact spell.”
2022-09-09
If you don’t pay any mana, you won’t look at any cards or put any into your hand.
2022-09-09