pokemon card arbok Fossil Poisoned and Confused Pokemon Card - Dragon Frontiers

Magic cards are very careful about wording, and cards are written the way they are on purpose

Then exile it.) "Flashback [cost]" means "You may cast this card from your graveyard by paying [cost] rather than paying its mana cost" and "If the flashback cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." To determine the total cost of a spell, start with the mana cost or alternative cost (such as a flashback cost) you're paying, add any cost increases, then apply any cost reductions

(2019-08-23) If you cast a card without paying its mana cost, you can't choose to cast it for any alternative costs and not pay that cost

Deepglow Skate might be my favorite new card from Commander 2016 because it's just oozing with combo potential