Extractor Demon [Commander 2011] SPA Lobos erizados sacrifice this creature unless you

sacrifice this creature unless you pay its mana cost

Set: Planechase 2012 Planes Type: Plane — Alara Common Cost: Whenever a player casts a black

whenever a player taps an Island for mana

"This was quite possibly the least pleasant occurrence on the entire expedition

Extractor Demon [Commander 2011] SPA Lobos erizados sacrifice this creature unless youSet: Commander 2011 Type: Creature Demon Rare Cost: {4}{B}{B} Flying Whenever another creature leaves the battlefield, you may have target player put the top two cards of their library into their graveyard. Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)