
Defender
Metalcraft — As long as you control three or more artifacts, this creature gets +2/+2 and can attack as though it didn't have defender.
Spire Serpent has 2 printings, first in Mirrodin Besieged (2011). EDHREC ranks it #29,670 among Commander cards. It has 2 official rulings.
Cards that show up in the same decks on EDHREC.