Karn, Legacy Reforged [March of the Machine: The Aftermath] 77 Then the Ghost writes down

Then the Ghost writes down secretly on this Detective’s investigation sheet how many of their answers are correct

for I see a vital decision in your near future

T: Transform Temple of Power

but that's all - nothing is being stolen

in what is called a passive (or set up) move

Karn, Legacy Reforged [March of the Machine: The Aftermath] 77 Then the Ghost writes downSet: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.