Silvos, Rogue Elemental [Onslaught] Duelist League Demo 2010 You can only use each

You can only use each effect of "Matriarch of Nephthys" once per turn

Set: Cosmo Blazer Card type: Quick Play Spell Rarity: Ultra Rare Target 1 Quick-Play Spell Card in your Graveyard

During your Main Phase: You can destroy 1 monster your opponent controls

is activated while you control a "Battlin' Boxer" monster: Negate the activation

Silvos, Rogue Elemental [Onslaught] Duelist League Demo 2010 You can only use eachSet: Onslaught Type: Legendary Creature Elemental Rarity: Rare Cost: {3}{G}{G}{G} Trample {G}: Regenerate Silvos, Rogue Elemental. He was born of the Mirari, thrust out of his homeland before he was even aware. Left without purpose or meaning, he found both in the pits.