Karn, Silver Golem - [Retro Frame] Urza's Saga (USG) Legacy {2}{U}{B}: Target player mills two

{2}{U}{B}: Target player mills two cards

You may have Jwari Shapeshifter enter the battlefield as a copy of any Ally creature on the battlefield

sacrifice Groundbreaker

and/or library for a card with the same name as that spell and put it onto the battlefield

Totem armor (If enchanted creature would be destroyed

Karn, Silver Golem - [Retro Frame] Urza's Saga (USG) Legacy {2}{U}{B}: Target player mills twoWhenever 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.