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 - $39.00
LP - $31.00
MP - $23.50
HP - $15.50
DMG - $8.00