Regarding the legality of the cards: Magic: The GatheringFINAL FANTASY (FIN) is a Standard-legal set Magic: The GatheringFINAL FANTASY Commander (FIC) and FINAL FANTASY Through the Ages (FCA) are Commander-, Legacy-, and Vintage-legal sets, and individual cards are also legal where already available in other formats Magic: The Gathering FINAL FANTASY Play Boosters contain cards from FIN and FCA
If all targets are illegal when the spell tries to resolve, the spell doesn't resolve and none of its effects happen
The Chocobo Bundle follows up the runaway success of Final Fantasy with new full-art Chocobo basics, an exclusive promo card, and a whole nest of other Final Fantasy goodies
Oyobi costs a lot of mana but offers a commanding board presence to back itself up
Wizards also took the opportunity to clean up the mechanic a bit (Sneak counts as casting, unlike Ninjutsu)
until the End Phase, this card's name becomes that monster's original name, and replace this effect with that monster's original effects, also for the rest of this turn, if your monster attacks a Defense Position monster, inflict piercing battle damage to your opponent
