If another "Phantom Knights" card in your GY is banished, while this card is in your GY: You can Special Summon this card, but banish it when it leaves the field
A tapped creature is very unlikely to be damaged by anything, so this looks very close to a 1-mana Claustrophobia
Yes, new unique variants of blackjack or poker games can be added
It takes a long time to add up
That is unless someone is simply going to actualise a decision someone else makes on their behalf
The Kirins (Celestial Kirin, Cloudhoof Kirin, Infernal Kirin, Skyfire Kirin, Bounteous Kirin) Playability: B+ Depth: A Resonance: B+ Gaining resonance off its unique creature type (and the double-color commitment), the cycle is made of legendary flying Kirin Spirits with some of the best spiritcraft triggers (Whenever you cast a Spirit or Arcane spell), if not the best