Karn, Silver Golem [Urza's Saga] San Diego Comic-Con 2014 copy that ability

copy that ability

Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell

Criosphinx Sovereign or another Sphinx enters the battlefield under your control

Set: Betrayers of Kamigawa Type: Artifact Rarity: Rare Cost: {5} The "legend rule" doesn't apply

Karn, Silver Golem [Urza's Saga] San Diego Comic-Con 2014 copy that abilitySet: 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.