Advanced format ruling
Commander Covington
Card effect (current official text)You can send 1 face-up "Machina Soldier", "Machina Sniper", and "Machina Defender" you control to the GY; Special Summon 1 "Machina Force" from your hand or Deck.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.