dollar tree booster box does have pokemon cards Multiple confirmations of Dollar Tree and Dollar Generals carrying Journey Opening a FULL Dollar Tree

Unlike Standard-legal sets, Unstable doesn't have an overarching story as part of Magics official lore, but the world is very detailed as youd expect from a modern MTG set

If Warehouse Tabby leaves the battlefield while it has an Aura you control attached to it or at the same time as another creature with an Aura you control attached to it, its ability won't trigger for those enchantments unless they were destroyed by the same effect that caused Warehouse Tabby to leave the battlefield

Weakness: Fighting (x2) Resistance: none Retreat: 3 Whirlipede - Darkness - HP100 Stage 1 - Evolves from Venipede [D] Poison Ring: Your opponent's Active Pokmon is now Poisoned

It was banned, and while there were a lot of debates about what cards did and did not deserve their fates this was never one of them