So as long as you have a way to discard or Entomb it, you should be able to make great use of it
Try playing around with the pre-constructed decks first to get an idea of how Magic works, and then dig into some boosters and figure out ways you could either enhance those decks with alternate additions, or build your own deck entirely
You can exile him for six mana to bring him back transformed into Bahamut, Warden of Light - a flying enchantment creature Saga that buffs your board, gives everything flying again, and eventually Giga-flames a target off the board before looping itself back
The other will be put into your graveyard and subsequently cease to exist, unless another effect raises its toughness above 0
There wasnt even any damage, nor any fancy animations
FINAL FANTASY XIII I think the one thing I did in the set that consistently raised more eyebrows than any other aspect was doing a single meld pair: Fang and Vanille