Oath of Kaya [War of the Spark] Khans of Tarkir target opponent reveals their hand

target opponent reveals their hand and you choose a nonland card from it

It has "This creature's power and toughness are each equal to the number of experience counters you have

"I await your donation

Set: Commander 2015 Type: Enchantment Rarity: Uncommon Cost: {1}{W}{W} Artifact and enchantment spells your opponents cast cost {2} more to cast

Set: Weatherlight Type: Creature — Human Rarity: Rare Cost: {2}{W} At the beginning of your upkeep

Oath of Kaya [War of the Spark] Khans of Tarkir target opponent reveals their handSet: War of the Spark Type: Legendary Enchantment Rarity: Rare Cost: {1}{W}{B} When Oath of Kaya enters the battlefield, it deals 3 damage to any target and you gain 3 life. Whenever an opponent attacks a planeswalker you control with one or more creatures, Oath of Kaya deals 2 damage to that player and you gain 2 life. "So everyone gets what they truly deserve, I will keep watch."