Coretapper (Double Masters) - Gatherer - Magic: The Gathering
Arcbound Fiend [Darksteel]
Surge Node • Artifact (New Phyrexia) - MTG Assist
Metallic Rebuke [Aether Revolt] – Ghost Quarter Games
Green slime, can this card counter anything other than a artifact or Enchantment? : r/magicTCG
Counter Spell Artifact : r/custommagic
Nonblue Counterspells | Control Magic
Top 10 Charge-Counter Artifacts in Magic: The Gathering - HobbyLark
Political MtG Cards - Census (2WU) Artifact - Law Whenever a creature enters the battlefield, add a legal counter to Census. Remove a legal counter: Target creature gets +1/+1 or -1/-1 until