Power Surge [Unlimited Edition] Oath of the Gatewatch Prerelease Promos Set: Aether Revolt Type: Artifact

Set: Aether Revolt Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

you may tap lands you don't control for mana

you may exile an instant card with mana value 2 or less from your hand

unwrap the booster pack and put it into your hand

Elder Spawn can't be blocked by red creatures

Power Surge [Unlimited Edition] Oath of the Gatewatch Prerelease Promos Set: Aether Revolt Type: ArtifactSet: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.