Karn, the Great Creator [War of the Spark] Hippogriff counter it unless that player

counter it unless that player pays {3}

Set: Commander Anthology Type: Enchantment Rarity: Rare Cost: {3}{R} Your opponents can't search libraries

Set: Dragons of Tarkir Type: Sorcery Rarity: Mythic Cost: {7}{U}{U} For each creature target player controls

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {1}{U} Enchant creature

Set: Zendikar Type: Legendary Planeswalker — Nissa Rarity: Mythic Cost: {2}{G}{G} +1: Search your library for a card named Nissa's Chosen

Karn, the Great Creator [War of the Spark] Hippogriff counter it unless that playerSet: War of the Spark Type: Legendary Planeswalker Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.