Karn, Silver Golem 298/350 (Urza's Saga)

Whenever Karn 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.

NM - $36.00
LP - $28.50
MP - $21.50
HP - $14.50
DMG - $7.50