When an opponent's monster declares an attack while this card is in your Graveyard and you have no cards in your hand or field: You can Special Summon this card.
A three-mana 1/1 with prowess and trample would've felt like a direct challenge to my Johnniness, but with her making Monks that also have prowess, this is almost too easy to even bother with
Especially if your card came with a lot of other cards, its possible to tear the cardor a cheap card that came along with it, like a common card or a basic energy cardand look to see if the card is authentic
A counter deck cant deal with your deck when you do nothing because of how reactive the deck is
Many of my favorite card backs follow this design, and thats because it works creating a memorable symbol, unifying the design, and adding a splash of color
When your opponent would Special Summon a monster(s), OR activates a Spell/Trap Card, or a monster effect (Quick Effect): You can send 1 Fairy monster from your hand to the GY