Devised Conspiracy 397 (Radiant Origins)

[Tristan Bonus] Prepare 2 Your champion's next attack this turn gets +2 Power. If Devised Conspiracy was prepared, until end of turn, your champion and allies you control named Ominous Shadow gain "On Champion Hit: Banish the top card of that player's deck face down. As long as it's banished, you may play it, ignoring its elemental requirements."

NM - $1.70