(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Creatures that are going to die after getting -1/-1 will still be on the battlefield while you surveil

Here are all Ultra Beast Drop Event Battle Tasks and their rewards: Beginner Knock Out your opponents Active Pokmon 1 time with an attack from a Darkness-type Pokmon Event Hourglass x4 Put 3 Basic Pokmon into play Event Hourglass x4 Intermediate Knock Out your opponents Active Pokmon 2 times with an attack from a Darkness-type Pokmon Event Hourglass x3 Make your opponents Pokmon Poisoned 1 time Event Hourglass x4 Win this battle by turn 14 Event Hourglass x4 Advanced Knock Out your opponents Active Pokmon 2 times with an attack from a Darkness-type Pokmon Wonder Hourglass x4 Win this battle using a deck where all Pokmon cards are of , , and/or rarity Wonder Hourglass x4 Win this battle by turn 14 Wonder Hourglass x4 Win this battle without your opponent getting any points Wonder Hourglass x4 Expert Win this battle using a deck where all Pokmon cards are of , , and/or rarity Wonder Hourglass x5 Win this battle by turn 12 Pack Hourglass x5 Win this battle without your opponent getting any points Wonder Hourglass x5 Win 10 or more battles Wonder Hourglass x5 Win 20 or more battles Wonder Hourglass x5 Players also earn rewards the first time they clear a battle during the event, and Chance Rewards, which offer a selection of rewards with weighted odds depending on the difficulty level and are awarded after every win

Prices are updated based upon YuGiOh Starter Deck - Jaden Yuki listings that sold on eBay and other marketplaces
You'll need to protect your graveyard
So overall Id give Cubone a 2 out of 5
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