Karn, Silver Golem [Urza's Saga] Blue Then that permanent's controller may

Then that permanent's controller may sacrifice a land

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {6}{G}{G} Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake

you might as well trade it for something else

whether in this life or the next

(It can't be blocked as long as defending player controls a Mountain

Karn, Silver Golem [Urza's Saga] Blue Then that permanent's controller maySet: 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.