There's something to be said about never having to ink a card from your hand again, which is why the Legendary variant we mentioned earlier is also spiking at decent value since launch (sitting at around $26), but the Iconic rare is just on another planet
either your opponent finds themselves unable to block due to a lack of flyers on their board, or they get their flyers wiped out one by one by deathtouch
Heliod, God of the Sun Heliod, God of the Sun does a great job enabling an aggressive, go-wide strategy by letting you attack without worrying about the consequences of a crackback and providing you with an undercosted, indestructible attacker
Marcy: It is kind of hard to explain what is going on with this card except to say that it has massive spoiler connotation for the main story of FFXIV, and that it is a major component of the plot of Endwalker, which ends the first major "arc" of FFXIV
That means to optimize value, you want three creatures entering on average every turn
The higher you go, the less likely your opponents are to win via attacking, but I imagine theres a sweet spot around Bracket 2/3 where this really shines