Primordial Hydra (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Gym Challenge Unlimited Set: The List Type: Artifact

Set: The List Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield

Set: XY: Roaring Skies Type: Supporter Rarity: Ultra Rare

Set: Secret Lair Drop Series Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

that player loses 2 life and you gain 2 life

Set: Secret Lair Drop Series Type: Legendary Artifact — Equipment Rarity: Rare Cost: {1} A Guardian of the Light — Equipped creature gets +1/+1 and has trample and lifelink

Primordial Hydra (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Gym Challenge Unlimited Set: The List Type: ArtifactSet: Duels of the Planeswalkers Promos 2013 Type: Creature Hydra Rarity: Mythic Cost: {X}{G}{G} Primordial Hydra enters the battlefield with X +1 +1 counters on it. At the beginning of your upkeep, double the number of +1 +1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1 +1 counters on it.