
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.
Karn, Silver Golem has 7 printings, first in Urza's Saga (1998). EDHREC ranks it #12,041 among Commander cards. It appears most in King Macar, the Gold-Cursed decks (94 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.