Crystalline Crawler [Commander Anthology Volume II]Set: Commander Anthology Volume II Type: Artifact Creature Construct Rarity: Rare Cost: {4} Converge Crystalline Crawler enters the battlefield with a +1 +1 counter on it for each color of mana spent to cast it. Remove a +1 +1 counter from Crystalline Crawler: Add one mana of any color. {T}: Put a +1 +1 counter on Crystalline Crawler.

Set: World Championships 2012 Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

Set: Platinum: Supreme Victors Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Set: EX: Crystal Guardians Type: Fighting Rarity: Rare Retreat cost: Colorless

Set: Team Rocket Unlimited Type: Trainer Rarity: Uncommon

Water Rarity: Ultra Rare Retreat cost: 1

Set: World Championships 2014 Type: Water Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Unified Minds Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Diamond & Pearl: Secret Wonders Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

Set: World Championships 2015 Type: Psychic Rarity: Uncommon Retreat cost: Colorless

or a 1/6 Wall artifact creature with defender in addition to its other types

Set: Diamond & Pearl: Great Encounters Type: Metal Rarity: Rare Retreat cost: Colorless