Besides "Tearlament" cards to procc, this also sets up "GY traps" in the form of Ishizu's "shufflers" ("Keldo the Sacred Protector" and "Mudora the Sword Oracle"), which have fast effects to control against the opponent's GY tactics, and high resilience against interruptions
The flavor started out just being fun to read, but it also made it easier to comprehend the different portions of the card
You may look at and cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell. Getting your pick of the top four cards of the best players deck is always a good thing, and because you can cast it even if Gonti dies, it makes the whole thing highly profitable
If it battles an opponents monster, after damage calculation that monster is banished
When it comes to collectibility, Japanese Pokmon cards clearly dominate