Mystic Snake (Borderless) [Outlaws of Thunder Junction Special Guests] Streets of New Capenna Commander Promos Tetravus enters the battlefield with

Tetravus enters the battlefield with three +1/+1 counters on it

Whenever Aetherwind Basker enters the battlefield or attacks

Set: Mirrodin Promos Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} Equipped creature gets +5/+5

Set: Fallout Type: Instant Rarity: Rare Cost: {U}{U}{R} Counter target spell

Set: Mystery Booster Type: Artifact Land Rarity: Common Indestructible

Mystic Snake (Borderless) [Outlaws of Thunder Junction Special Guests] Streets of New Capenna Commander Promos Tetravus enters the battlefield withSet: Outlaws of Thunder Junction Special Guests Type: Creature Snake Rarity: Rare Cost: {1}{G}{U}{U} Flash When Mystic Snake enters the battlefield, counter target spell. Travelers who have reached the headwaters of Fool's Fall say that strange serpents dwell in the waters there, though none can recall any more than that.