The first legendary creature spell you cast each turn costs 2 less to cast.

At the beginning of combat on your turn, if you control two or more other legendary creatures, you may transform Serah Farron.

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Crystallized Serah

The first legendary creature spell you cast each turn costs 2 less to cast.

Legendary creatures you control get +2/+2.

The first legendary creature spell you cast each turn costs {2} less to cast.
At the beginning of combat on your turn, if you control two or more other legendary creatures, you may transform Serah Farron.

The first legendary creature spell you cast each turn costs {2} less to cast.
Legendary creatures you control get +2/+2.