Whenever one or more +1/+1 counters are put on Emperor of Bones, put a creature card exiled with Emperor of Bones onto the battlefield under your control with a finality counter on it
P/T Number 65 Language English Legal Formats Commander, Legacy, Modern, Pauper, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pioneer, Standard, Timeless Rulings (2/1/2007) When this spell is cast, its "when you cast" ability triggers and goes on the stack on top of it
Ominous Traveler Spellbook Dominating Vampire Falkenrath Pit Fighter Tovolar, Dire Overlord Steelclad Spirit Champion of the Perished Vampire Socialite Wolfkin Outcast Patrician Geist Heron-Blessed Geist Headless Rider Stromkirk Bloodthief Howlpack Piper Shipwreck Sifters Archghoul of Thraben Bladestitched Skaab Tribal support in a can
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