Karn, Silver Golem [Urza's Saga] SM169 if you called it wrong

if you called it wrong

Set: Commander 2016 Type: Artifact Land Rarity: Uncommon Indestructible

You can only use each of the following effects of "Cipher Biplane" once per turn

Set: Gym Challenge Unlimited Type: Colorless Rarity: Rare

Set: Retro Pack 1 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 1850 A monster that attacks this card is returned to its owner's hand after damage calculation

Karn, Silver Golem [Urza's Saga] SM169 if you called it wrongSet: 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.