Karn, Legacy Reforged [March of the Machine: The Aftermath] Phyrexian Human Rogue you may put a permanent

you may put a permanent card from your hand onto the battlefield tapped

A grave is the safest place to store ill-gotten treasures

If the sacrificed creature was a Hamster

Braingeyser

Activate only if there are no charge counters on Jeweled Amulet

Karn, Legacy Reforged [March of the Machine: The Aftermath] Phyrexian Human Rogue you may put a permanentSet: 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.