They arent exactly the full-sized boosters players are used to cracking open from their local games stores, though
But if this was not enough, Giratina still has additional strengths
(To scry 3, look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.) Sorcery Color tag templates(None) Sorcery (CTRL to add secondary) Deck Info
Other colors receive noncombat damage effects, usually with a twist that makes the spell feel more appropriate for that color
The other will be put into your graveyard and subsequently cease to exist, unless another effect raises its toughness above 0
It is not the most reliable of pure life gain effects as all kinds of removal can really set you back in tempo and will therefore almost certainly finish you off given that you were trying to gain more life