Karn, Silver Golem [Urza's Saga] Skeleton Wall Ravnica's convoluted power structure often

Ravnica's convoluted power structure often boils down to who can muster the most swords on a given block

Sacrifice Dwarven Ruins: Add {R}{R}

" —Writings of Mikaeus

You control enchanted creature

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

Karn, Silver Golem [Urza's Saga] Skeleton Wall Ravnica's convoluted power structure oftenSet: 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.