Call Forth the Tempest - Foil Condition:Near Mint you may cast that card

you may cast that card without paying its mana cost if the two spells have the same mana value

flame and feather

Spells your opponents cast that target a creature or planeswalker you control cost more to cast

At the beginning of that combat

Call Forth the Tempest - Foil Condition:Near Mint you may cast that cardCall Forth the Tempest Sorcery Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.) Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn. Set: Tales