Each set spreads several Hyper Rares across that rate, so the odds for this exact Charizard run much longer, into the hundreds of packs per copy
One such variant makes use of the Kaido card first printed in the Animal Kingdom Pirates [ST-04] Starter Decka card which was previously mainly used in the Purple Kaido and Purple Luffy decks
They are written as "[Cost]: [Effect.] [Activation instructions (if any).]" A player may activate such an ability whenever he or she has priority
For example, if your opponent casts Searing Blaze targeting both you and a creature you control, and then you blink that creature with your Eldrazi Displacer, the blinked creature wont be a legal target for Searing Blaze but since Searing Blaze also targets you and youre still a legal target for it, it will still resolve and deal damage to you.
For the price, its good value if youll use everything in it
The white-blue archetype has a "Knights matter" theme, so this card was designed to play into that archetype