Karn, Silver Golem [Urza's Saga] S1 Set: Gym Challenge Unlimited Type:

Set: Gym Challenge Unlimited Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: Mirrodin Type: Legendary Artifact Rarity: Rare Cost: {2} If you would flip a coin

Set: Magic 2015 Type: Enchantment Rarity: Rare Cost: {1}{B} Whenever an opponent discards a creature card

that player mills that many cards

Karn, Silver Golem [Urza's Saga] S1 Set: Gym Challenge Unlimited Type:Set: Urza's Saga Type: Legendary Artifact Creature Golem Rarity: Rare Cost: {5} Whenever Karn, Silver Golem 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.