Anointed Peacekeeper

選定された平和の番人 (Anointed Peacekeeper) (ja)

Creature - Human Cleric | Power/Toughness: 3 / 3 (CMC 3)
Vigilance
As Anointed Peacekeeper enters the battlefield, look at an opponent's hand, then choose any card name.
Spells your opponents cast with the chosen name cost more to cast.
Activated abilities of sources with the chosen name cost more to activate unless they're mana abilities.