Emrakul, the Aeons Torn [Rise of the Eldrazi Prerelease Promos] Aura or a Food token

or a Food token

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Creature — Human Knight Rarity: Rare Cost: {B} Menace

it produces three times as much of that mana instead

The first spell you cast each turn that mana from a Treasure was spent to cast has cascade

Keeper of Secrets deals damage equal to that spell's mana value to target opponent

Emrakul, the Aeons Torn [Rise of the Eldrazi Prerelease Promos] Aura or a Food tokenSet: Rise of the Eldrazi Prerelease Promos Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {15} This spell can't be countered. When you cast this spell, take an extra turn after this one. Flying, protection from spells that are one or more colors, annihilator 6 When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.