Winding Wurm [Urza's Saga] SPA Chaman corteza eterna Riddle of Lightning deals damage

Riddle of Lightning deals damage equal to that card's converted mana cost to that permanent or player

Set: Commander 2013 Type: Sorcery Uncommon Cost: {1}{U} Look at the top three cards of your library

Exile two cards from your graveyard: Target player discards a card

Set: Magic 2015 Type: Legendary Creature — Human Rogue Rare Cost: {2}{G} {2}{G}

Winding Wurm [Urza's Saga] SPA Chaman corteza eterna Riddle of Lightning deals damageSet: Urza's Saga Type: Creature Wurm Common Cost: {4}{G} Echo {4}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) Entire trees were stripped of their bark and branches by the wurm's writhing path.