Force of Will [SOA - 19] Printing:Foil you may cast an instant

you may cast an instant or sorcery spell from your hand without paying its mana cost

Rules Text Contains: The first nonlegendary artifact spell you cast each turn has casualty 2

(Exile an Elf you control or an Elf card from your hand

If you control creatures named Power Plant Worker and Tower Worker

Rules Text Contains: When Denizen of the Deep enters the battlefield

Force of Will [SOA - 19] Printing:Foil you may cast an instantRarity: M #: 19 Creature Type or Sub Type: Instant Rules Text Contains: You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell. Flavor: "We must be prepared to part with things we hold dear to protect those we love." A Song of Wartime