Karn, Silver Golem [Arena League 1999] Pro Tour Promos you lose 1 life and

you lose 1 life and that opponent gains 1 life

destroy target permanent

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

Karn, Silver Golem [Arena League 1999] Pro Tour Promos you lose 1 life andSet: 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 converted mana cost until end of turn.