A creature with the Hexproof keyword cannot be targeted by spells or abilities controlled by an opponent
Snack Seek Once during your turn, you may look at the top card of your deck
However, Giratina works best when used with a wall like Druddigon and support from Darkrai ex, so unless you have these cards already, it may be a better idea to go for Beedrill or Charizard , as their packages are more complete

Sort Rarity Card Type Aggron #1Holo Rare $32.36 Beautifly #2Holo Rare $20.23 Blaziken - 3/109 #3Holo Rare $75.69 Camerupt #4Holo Rare $14.75 Delcatty - 5/109 #5Holo Rare $33.66 Dustox #6Holo Rare $16.56 Gardevoir #7Holo Rare $56.35 Hariyama - 8/109 #8Holo Rare $11.66 Manectric - 9/109 #9Holo Rare $16.88 Mightyena - 10/109 #10Holo Rare $26.33 Sceptile - 11/109 #11Holo Rare $81.07 Slaking #12Holo Rare $19.46 Swampert - 13/109 #13Holo Rare $60.99 Wailord #14Holo Rare $43.18 Blaziken - 15/109 #15Rare $3.98 Breloom #16Rare $2.10 Donphan #17Rare $1.90 Nosepass #18Rare $1.41 Pelipper #19Rare $1.14 Sceptile - 20/109 #20Rare $9.71 Seaking #21Rare $1.02 Sharpedo #22Rare $2.88 Swampert - 23/109 #23Rare $4.40 Weezing #24Rare $2.00 Aron - 25/109 #25Uncommon $3.01 Cascoon #26Uncommon $2.59 Combusken - 27/109 #27Uncommon $1.12 Combusken - 28/109 #28Uncommon $2.95 Delcatty - 29/109 #29Uncommon $1.41 Electrike - 30/109 #30Uncommon $1.44 Grovyle - 31/109 #31Uncommon $1.53 Grovyle - 32/109 #32Uncommon $4.03 Hariyama - 33/109 #33Uncommon $0.62 Kirlia - 34/109 #34Uncommon $2.23 Kirlia - 35/109 #35Uncommon $2.37 Lairon - 36/109 #36Uncommon $2.42 Lairon - 37/109 #37Uncommon $2.32 Linoone #38Uncommon $2.13 Manectric - 39/109 #39Uncommon $1.75 Marshtomp - 40/109 #40Uncommon $1.78 Marshtomp - 41/109 #41Uncommon $5.36 Mightyena - 42/109 #42Uncommon $1.82 Silcoon #43Uncommon $2.06 Skitty - 44/109 #44Uncommon $7.69 Slakoth #45Uncommon $3.31 Swellow #46Uncommon $1.27 Vigoroth #47Uncommon $1.42 Wailmer #48Uncommon $1.38 Aron - 49/109 #49Common $0.87 Aron - 50/109 #50Common $0.91 Carvanha #51Common $1.04 Electrike - 52/109 #52Common $0.61 Electrike - 53/109 #53Common $0.65 Koffing #54Common $0.74 Goldeen #55Common $0.58 Makuhita - 56109 #56Common $0.31 Makuhita - 57/109 #57Common $0.61 Makuhita - 58/109 #58Common $0.92 Mudkip - 59/109 #59Common $7.71 Mudkip - 60/109 #60Common $2.72 Mewtwo ex #101Ultra Rare $340.92 Lapras ex #99Ultra Rare $118.32 Scyther ex #102Ultra Rare $101.00 Sneasel ex #103Ultra Rare $85.59 Hitmonchan ex #98Ultra Rare $82.23 Sceptile - 11/109 #11Holo Rare $81.07 Blaziken - 3/109 #3Holo Rare $75.69 Chansey ex #96Ultra Rare $74.02 Electabuzz ex #97Ultra Rare $65.88 Magmar ex #100Ultra Rare $63.39

It doesnt boast the best rates, but Pack Point Exchange is a nice option to get a specific card in Pokmon TCG Pocket
Ungraded & graded values for all Pokemon 2023 Trick or Trade Pokemon Cards