
If a source would deal damage to you, prevent 1 of that damage.
Urza's Armor has 4 printings, first in Urza's Saga (1998). EDHREC ranks it #20,794 among Commander cards. It appears most in Hyperion, Supreme Hero decks (24 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.