This works in loads of black decks, such as Zombie tokens (as it doesn't specify 'nontoken') or, of course, sacrifice-heavy Aristocrats decks
You can obtain the Shuckle ex (2-Stars rarity) card by opening Wisdom of Sea and Sky: Lugia from Wisdom of Sea and Sky set
If that's another creature, it gains the following ability until end of turn.) Double strike Each backup ability has a number, representing the number of +1/+1 counters that will be put on the target creature as the ability resolves
If the game were to proceed past reading 5A back, the player would just remain in the Gallery menu and nothing would appear to happen, which looks awkward
Finally, you can use it to reuse Mysterious Guidance, if you have a Ditto or Ditto Prism Star on the Bench