Theres also the possibly battlefield-shaking Beyond the Horizon, which costs 7 and, in the right instance, can really shift the game to your advantage
Cracking boosters and relying on luck is probably not optimal if you know exactly what you want, so your best bet is to buy singles from online markets like TCGplayer
Because exiling a card with foretell from your hand is a special action, you can do so any time you have priority during your turn, including in response to spells and abilities
It's at $29.50 market and not much lower elsewhere
Fang and Vanille from FFXIII combine to form Ragnarok, a powerful 7/6 Beast Avatar with a lot of keywords and an excellent death trigger
Then exile it.) "Flashback [cost]" means "You may cast this card from your graveyard if the resulting spell is an instant or sorcery spell 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." You must still follow any timing restrictions and permissions, including those based on the card's type
