Also from Final Fantasy II, the common card Commune with Beavers demonstrates the franchises quirky side
If an opponent gains control of Zidane and one or more other permanents from you simultaneously, Zidane's last ability will trigger for each of those permanents, including itself
Sadly, available listings are even more expensive, with prices starting at $1334.96, including shipping
Outside of removal, there's other powerful spells like the game-ender Exsanguinate, and the value engine Lingering Souls, both of which work well with Y'shtola's abilities due to being greater than mana value 3 when cast
While The Brothers' War meld cards still run the risk of having a part of the meld pair removed in response to the meld effect, most of the cards doing something pretty much as soon as they meld is a big improvement on the original cards