Karn, Silver Golem [Urza's Saga] Djinn you may cast Panglacial Wurm

you may cast Panglacial Wurm from your library

or trample until end of turn

return it to the battlefield under your control at the beginning of the next end step

Set: Antiquities Type: Artifact Rarity: Rare Cost: {3} Whenever an artifact you control is put into a graveyard from the battlefield

A drop of humanity for a sea of power

Karn, Silver Golem [Urza's Saga] Djinn you may cast Panglacial WurmSet: 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.