
Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card's mana value to that permanent or player.
Riddle of Lightning has 4 printings, first in Future Sight (2007). EDHREC ranks it #18,691 among Commander cards. It appears most in Lorehold, the Historian decks (1,075 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.