Reckoner's Bargain

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw cards equal to the mana value of the sacrificed permanent.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards and create a Map token. (It's an artifact with ", , Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards.

Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards and create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

As an additional cost to cast this spell, sacrifice a creature.

Add an amount of equal to the sacrificed creature's mana value.