It's a shame not to see it here, though since the Final Fantasy set covers all 16 games, it makes sense that the number of cards dedicated to FF7 had to be limited
This culmination of several years worth of Magics expanded universe brought planeswalkers, villains, and heroes together on one plane, all under the machinations of the evil Nicol Bolas
This, combined with Hardened Scales, means if a creature gets +1/+1 for being summoned, it would actually get +3/+3

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Plus, like Haliya, only costing one mana isn't going to eat too much into what else you do in a turn
Some Magic: The Gathering cards are just a little too good, particularly in more specialized formats