Power Surge [International Collectors' Edition] Kaladesh Prerelease Promos Set: Unlimited Edition Type: Artifact

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {B}

and if you travel far enough you'll come to the other side

Set: Invasion Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control

You may reveal an artifact card from among them and put it into your hand

Power Surge [International Collectors' Edition] Kaladesh Prerelease Promos Set: Unlimited Edition Type: ArtifactSet: International Collectors' 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.