Tinker [From the Vault: Exiled] Sarkhan And yea he doth spake:

And yea he doth spake: "Let there be Magic

When Ancestral Knowledge enters the battlefield

When Sun Ce

At the beginning of each opponent's end step

Set: Commander 2011 Type: Instant Rarity: Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}

Tinker [From the Vault: Exiled] Sarkhan And yea he doth spake:Set: From the Vault: Exiled Type: Sorcery Rarity: Mythic Cost: {2}{U} As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card, put that card onto the battlefield, then shuffle. "What separates us from mere beasts is the capacity for self improvement."