Well, things have changed a lot over the years, and while traditional fantasy settings remain at the center of the franchise, its canon Multiverse opened up almost endless possibilities, including themed crossovers with properties like The Lord of the Rings, Final Fantasy, and even Marvel
Jim Hawkins can cheat the galleon into play, while John Silver gets tons of value from locations
An example of this would be when I played Kynaios and Tiro of Meletis, I consistently packed Splinter Twin combo as I would have an abundance of tutors and card draw effects that allowed me to consistently find them for an early game win
Obviously it's no Mox or Black Lotus, but as we noted at the start, this list would be really boring if we just went through the Power Nine
Increasing a creature's power after attackers are declared won't cause a training ability to trigger