As an additional cost to cast this spell, discard X cards.
Exile X target attacking creatures.
Teroh dreams of his enemies' doom.
Illustrated by Mark Tedin · Torment · #21
There are no rulings for Vengeful Dreams.
As an additional cost to cast this spell, you may behold a Dragon. (You may choose a Dragon you control or reveal a Dragon card from your hand.)
Osseous Exhale deals 5 damage to target attacking or blocking creature. If a Dragon was beheld, you gain 2 life.
As an additional cost to cast this spell, tap three untapped white creatures you control.
Exile target creature.
Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)
Exile target attacking creature.
As an additional cost to cast this spell, tap an untapped creature you control.
Exile target tapped creature. Put a +1/+1 counter on the creature tapped to pay this spell's additional cost.
As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.
As an additional cost to cast this spell, pay 5 life or sacrifice a creature or enchantment.
Destroy target creature.