The Light of Megiddo

Quickcast

J/resonators your opponent controls must attack this turn if able. Whenever a resonator attacks this turn ⇒ This card deals 2000 - X damage to it, where X is 500 multiplied by the number of attributes of that resonator.

Mastery "Refrain, Resident of Wanderers' Castle" (You may rest a recovered card named "Refrain, Resident of Wanderers' Castle" you control rather than pay this card's cost.)