Karn, Silver Golem [Arena League 1999] BW19 Set: From the Vault: Exiled

Set: From the Vault: Exiled Type: Instant Rarity: Mythic Cost: {G} Cast this spell only before the combat damage step

Set: Judge Gift Cards 2012 Type: Legendary Land Rarity: Rare {T}: Add {W}

You can't pay any amount of life except 0

the only caste that cannot be attained by either heredity or money is that of the hero

If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger

Karn, Silver Golem [Arena League 1999] BW19 Set: From the Vault: ExiledSet: Arena League 1999 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.