daemon glitch Dumping + removal trap
If this card is Normal or Special Summoned: You can Set 1 "Sinful Spoils" Spell/Trap from your Deck
(Also, this matchup tends to tie a lot in a tournament environment, because both decks take a lot of time and reflexion to play and have the ability to come back from a Prize deficit, so early scooping is rare.) Perhaps a better way to deal with Giratina (and one that I expect in higher numbers in Liverpool) is Lost Box
Prior to being banned in the TCG and OCG, Spright Elf was included in nearly every competitive deck in the format due to its versatility
When an opportunity arises, use it to place either "Infernal Rage" and "Neos" back into the Deck and Summon "Shining Neos Wingman" (which can both destroy the opponent's cards without targeting), OR "Dusk Crow" and "Furnace" to Summon a second "Chaos" copy
The last throwback I want to mention also happens to be the fourth most valuable card (pre-orders) in Tarkir: Dragonstorm