Power Surge [Fourth Edition] Khans of Tarkir there you will find aid

there you will find aid and comfort

gain control of target creature

When Sage of Ancient Lore enters the battlefield

Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder

Set: Amonkhet Type: Instant // Sorcery Rarity: Rare Cost: {3}{U} // {4}{U}{U} Put target spell or nonland permanent into its owner's library second from the top

Power Surge [Fourth Edition] Khans of Tarkir there you will find aidSet: Fourth 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.