Karn, Silver Golem [Urza's Saga] SPA Asaltacara Mine died at Sea Gate

Mine died at Sea Gate

{1}{B}: Spawning Pool becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn

Set: Legions Type: Creature — Illusion Uncommon Cost: {4}{U} Flying {1}: Mistform Wakecaster becomes the creature type of your choice until end of turn

"Inside these walls

that card returns to the battlefield

Karn, Silver Golem [Urza's Saga] SPA Asaltacara Mine died at Sea GateSet: Urza's Saga Type: Legendary Artifact Creature Golem 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.