Legality depends on the tournament format -- Nine-Tail White Fox can be legal in some formats and banned or restricted in others
Additionally, the individual effects of each Gift lower quite a bit in a format like Commander, where card draw is common, a 1/1 token often gets forgotten, and Dockside Extortionist regularly spits out dozens of Treasure tokens
The Card: A misprint on a popular, playable card (like a Lightning Bolt), a Reserved List card, or an iconic card from Magics early days will always have a higher potential value
Aeve gets bigger for each other Ooze you control, though they enter one at a time, so each one will progressively be bigger than the last
It only has a reprint value of 50 cents, but Kalamax has proven itself to be a deadly Commander when built around
The idea for each game in the series being created into a card was the thought process of What nine things are important out of this Final Fantasy Title or Character that fans will need to see? That became the mindset that each of these cards was made